Professional Affiliation (AFF) segment -- HL7v2 v2.5.1.
Contains professional affiliation information for staff members.
5 fields per HL7 v2.5.1 specification.
@type t() :: %HL7v2.Segment.AFF{ extra_fields: term(), professional_affiliation_additional_information: term(), professional_organization: term(), professional_organization_address: term(), professional_organization_affiliation_date_range: term(), set_id: term() }