http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-columnCount|4.0.0-ballot
For questions with a set of options, indicates the number of columns across which those choices should be organized. E.g., 2 columns, 5 columns, etc.
| type | destination |
|---|---|
| baseDefinition | http://hl7.org/fhir/StructureDefinition/Extension |
| type | http://hl7.org/fhir/StructureDefinition/Extension |
| Extension.value[x].type | http://hl7.org/fhir/StructureDefinition/positiveInt |