Has gender source leaf node

@prefix omop: <https://w3id.org/omop/ontology/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix owlready: <http://www.lesfleursdunormal.fr/static/_downloads/owlready_ontology.owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

omop:has_gender_source a owl:FunctionalProperty,
        owl:ObjectProperty ;
    rdfs:label "Has gender source"^^xsd:string ;
    owlready:python_name "gender_source"^^xsd:string ;
    rdfs:comment """For Person: Due to the small number of options, this tends to be zero.
If the source data codes biological sex in a non-standard vocabulary, store the concept_id here, otherwise set to 0."""@en,
        """For Provider: This is often zero as many sites use proprietary codes to store provider gender.
If the source data codes provider gender in an OMOP supported vocabulary store the concept_id here. If not available, set to 0."""@en ;
    rdfs:domain omop:BasePerson ;
    rdfs:range omop:Concept ;
    omop:omop_cdm_name "person.gender_source_concept_id#15 AS Concept"^^xsd:string,
        "provider.gender_source_concept_id#285 AS Concept"^^xsd:string .