<?xml version="1.0" encoding="UTF-8"?><StructureDefinition xmlns="http://hl7.org/fhir"><id value="questionnaire-constraint"/><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="fhir"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/StructureDefinition/questionnaire-constraint"/><name value="constraint"/><status value="draft"/><date value="2013-07-04"/><publisher value="HL7"/><contact><telecom><system value="url"/><value value="http://www.hl7.org"/></telecom></contact><description value="An invariant that must be satisfied before responses to the questionnaire can be considered &quot;complete&quot;."/><fhirVersion value="3.5a.0"/><mapping><identity value="rim"/><uri value="http://hl7.org/v3"/><name value="RIM Mapping"/></mapping><kind value="complex-type"/><abstract value="false"/><context><type value="element"/><expression value="Questionnaire"/></context><context><type value="element"/><expression value="Questionnaire.item"/></context><context><type value="element"/><expression value="Questionnaire.item.item"/></context><type value="Extension"/><baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/><derivation value="constraint"/><snapshot><element id="Extension"><path value="Extension"/><short value="Constraint"/><definition value="An invariant that must be satisfied before responses to the questionnaire can be considered &quot;complete&quot;."/><comment value="This maps to the ElementDefinition.constraint element."/><min value="0"/><max value="*"/><base><path value="Extension"/><min value="0"/><max value="*"/></base><condition value="ele-1"/><constraint><key value="ele-1"/><severity value="error"/><human value="All FHIR elements must have a @value or children"/><expression value="hasValue() or (children().count() &gt; id.count())"/><xpath value="@value|f:*|h:div"/><source value="Element"/></constraint><constraint><key value="ext-1"/><severity value="error"/><human value="Must have either extensions or value[x], not both"/><expression value="extension.exists() != value.exists()"/><xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])"/><source value="Extension"/></constraint><isModifier value="false"/></element><element id="Extension.id"><path value="Extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension"><path value="Extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Additional content defined by implementations"/><definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/><comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/><alias value="extensions"/><alias value="user content"/><min value="0"/><max value="*"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:key"><path value="Extension.extension"/><sliceName value="key"/><short value="Unique identifier"/><definition value="Unique id for the constraint within the questionnaire."/><min value="1"/><max value="1"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:key.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:key.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:key.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="key"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:key.valueId"><path value="Extension.extension.valueId"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="id"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:requirements"><path value="Extension.extension"/><sliceName value="requirements"/><short value="Why needed"/><definition value="An explanation of why this extension is required (for documentation purposes)."/><min value="0"/><max value="1"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:requirements.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:requirements.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:requirements.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="requirements"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:requirements.valueString"><path value="Extension.extension.valueString"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:severity"><path value="Extension.extension"/><sliceName value="severity"/><short value="error|warning"/><definition value="Indicates how serious violating the invariant is."/><min value="1"/><max value="1"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:severity.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:severity.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:severity.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="severity"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:severity.valueCode"><path value="Extension.extension.valueCode"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="code"/></type><isModifier value="false"/><isSummary value="false"/><binding><extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"><valueString value="ConstraintSeverity"/></extension><strength value="required"/><description value="How important the invariant is."/><valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity"/></binding><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:expression"><path value="Extension.extension"/><sliceName value="expression"/><short value="Formal rule"/><definition value="The FHIRPath expression of the rule for computable interpretation."/><min value="1"/><max value="1"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:expression.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:expression.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:expression.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="expression"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:expression.valueString"><path value="Extension.extension.valueString"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:human"><path value="Extension.extension"/><sliceName value="human"/><short value="Human-readable rule"/><definition value="A free text expression of the rule to display to the user if the rule is violated."/><min value="1"/><max value="1"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:human.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:human.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:human.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="human"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:human.valueString"><path value="Extension.extension.valueString"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:location"><path value="Extension.extension"/><sliceName value="location"/><short value="Relative path to elements"/><definition value="Relative paths to the questions this rule is enforced against."/><min value="0"/><max value="*"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:location.id"><path value="Extension.extension.id"/><representation value="xmlAttr"/><short value="xml:id (or equivalent in JSON)"/><definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/><min value="0"/><max value="1"/><base><path value="Element.id"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="n/a"/></mapping></element><element id="Extension.extension:location.extension"><path value="Extension.extension.extension"/><slicing><discriminator><type value="value"/><path value="url"/></discriminator><description value="Extensions are always sliced by (at least) url"/><rules value="open"/></slicing><short value="Extension"/><definition value="An Extension"/><min value="0"/><max value="0"/><base><path value="Element.extension"/><min value="0"/><max value="*"/></base><type><code value="Extension"/></type><isModifier value="false"/><isSummary value="false"/></element><element id="Extension.extension:location.url"><path value="Extension.extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="location"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.extension:location.valueString"><path value="Extension.extension.valueString"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="1"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="string"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.url"><path value="Extension.url"/><representation value="xmlAttr"/><short value="identifies the meaning of the extension"/><definition value="Source of the definition for the extension code - a logical name or a URL."/><comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/><min value="1"/><max value="1"/><base><path value="Extension.url"/><min value="1"/><max value="1"/></base><type><code value="uri"/></type><fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-constraint"/><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element><element id="Extension.value[x]"><path value="Extension.value[x]"/><short value="Value of extension"/><definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."/><min value="0"/><max value="0"/><base><path value="Extension.value[x]"/><min value="0"/><max value="1"/></base><type><code value="base64Binary"/></type><type><code value="boolean"/></type><type><code value="canonical"/></type><type><code value="code"/></type><type><code value="date"/></type><type><code value="dateTime"/></type><type><code value="decimal"/></type><type><code value="id"/></type><type><code value="instant"/></type><type><code value="integer"/></type><type><code value="markdown"/></type><type><code value="oid"/></type><type><code value="positiveInt"/></type><type><code value="string"/></type><type><code value="time"/></type><type><code value="unsignedInt"/></type><type><code value="uri"/></type><type><code value="url"/></type><type><code value="uuid"/></type><type><code value="Address"/></type><type><code value="Age"/></type><type><code value="Annotation"/></type><type><code value="Attachment"/></type><type><code value="CodeableConcept"/></type><type><code value="Coding"/></type><type><code value="ContactPoint"/></type><type><code value="Count"/></type><type><code value="Distance"/></type><type><code value="Duration"/></type><type><code value="HumanName"/></type><type><code value="Identifier"/></type><type><code value="Money"/></type><type><code value="Period"/></type><type><code value="Quantity"/></type><type><code value="Range"/></type><type><code value="Ratio"/></type><type><code value="Reference"/></type><type><code value="SampledData"/></type><type><code value="Signature"/></type><type><code value="Timing"/></type><type><code value="ParameterDefinition"/></type><type><code value="DataRequirement"/></type><type><code value="RelatedArtifact"/></type><type><code value="ContactDetail"/></type><type><code value="Contributor"/></type><type><code value="TriggerDefinition"/></type><type><code value="Expression"/></type><type><code value="UsageContext"/></type><type><code value="Dosage"/></type><isModifier value="false"/><isSummary value="false"/><mapping><identity value="rim"/><map value="N/A"/></mapping></element></snapshot><differential><element id="Extension"><path value="Extension"/><short value="Constraint"/><definition value="An invariant that must be satisfied before responses to the questionnaire can be considered &quot;complete&quot;."/><comment value="This maps to the ElementDefinition.constraint element."/><min value="0"/><max value="*"/></element><element id="Extension.extension:key"><path value="Extension.extension"/><sliceName value="key"/><short value="Unique identifier"/><definition value="Unique id for the constraint within the questionnaire."/><min value="1"/><max value="1"/><type><code value="Extension"/></type></element><element id="Extension.extension:key.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:key.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="key"/></element><element id="Extension.extension:key.valueId"><path value="Extension.extension.valueId"/><type><code value="id"/></type></element><element id="Extension.extension:requirements"><path value="Extension.extension"/><sliceName value="requirements"/><short value="Why needed"/><definition value="An explanation of why this extension is required (for documentation purposes)."/><min value="0"/><max value="1"/><type><code value="Extension"/></type></element><element id="Extension.extension:requirements.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:requirements.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="requirements"/></element><element id="Extension.extension:requirements.valueString"><path value="Extension.extension.valueString"/><type><code value="string"/></type></element><element id="Extension.extension:severity"><path value="Extension.extension"/><sliceName value="severity"/><short value="error|warning"/><definition value="Indicates how serious violating the invariant is."/><min value="1"/><max value="1"/><type><code value="Extension"/></type></element><element id="Extension.extension:severity.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:severity.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="severity"/></element><element id="Extension.extension:severity.valueCode"><path value="Extension.extension.valueCode"/><type><code value="code"/></type><binding><extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"><valueString value="ConstraintSeverity"/></extension><strength value="required"/><description value="How important the invariant is."/><valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity"/></binding></element><element id="Extension.extension:expression"><path value="Extension.extension"/><sliceName value="expression"/><short value="Formal rule"/><definition value="The FHIRPath expression of the rule for computable interpretation."/><min value="1"/><max value="1"/><type><code value="Extension"/></type></element><element id="Extension.extension:expression.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:expression.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="expression"/></element><element id="Extension.extension:expression.valueString"><path value="Extension.extension.valueString"/><type><code value="string"/></type></element><element id="Extension.extension:human"><path value="Extension.extension"/><sliceName value="human"/><short value="Human-readable rule"/><definition value="A free text expression of the rule to display to the user if the rule is violated."/><min value="1"/><max value="1"/><type><code value="Extension"/></type></element><element id="Extension.extension:human.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:human.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="human"/></element><element id="Extension.extension:human.valueString"><path value="Extension.extension.valueString"/><type><code value="string"/></type></element><element id="Extension.extension:location"><path value="Extension.extension"/><sliceName value="location"/><short value="Relative path to elements"/><definition value="Relative paths to the questions this rule is enforced against."/><min value="0"/><max value="*"/><type><code value="Extension"/></type></element><element id="Extension.extension:location.extension"><path value="Extension.extension.extension"/><max value="0"/></element><element id="Extension.extension:location.url"><path value="Extension.extension.url"/><type><code value="uri"/></type><fixedUri value="location"/></element><element id="Extension.extension:location.valueString"><path value="Extension.extension.valueString"/><type><code value="string"/></type></element><element id="Extension.url"><path value="Extension.url"/><type><code value="uri"/></type><fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-constraint"/></element><element id="Extension.value[x]"><path value="Extension.value[x]"/><min value="0"/><max value="0"/></element></differential></StructureDefinition>