R/attributes-concept.R
genderConcepts.RdUse for round-trip when JSON has Gender: [8507, 8532]; a single criterion
yields one gender_concept_id in (...) in SQL instead of separate branches.
genderConcepts(...)Integer concept IDs (e.g. 8507L, 8532L for male, female).
A single conceptAttribute with name Gender for use in additional criteria.