Lookup for FHIR R3 Contributor for use in FHIR R4

Source ElementUsageTarget
Contributor.idUseElementSameNameContributor.id
Contributor.extensionUseElementSameNameContributor.extension
Contributor.typeUseElementSameNameContributor.type
Contributor.nameUseElementSameNameContributor.name
Contributor.contactUseElementSameNameContributor.contact