OptionalageOptionalageThe age of the specific population
OptionalextensionAdditional content defined by implementations
OptionalgenderThe gender of the specific population
OptionalidUnique id for inter-element referencing
OptionalmodifierExtensions that cannot be ignored even if unrecognized
OptionalphysiologicalThe existing physiological conditions of the specific population to which this applies
OptionalraceRace of the specific population
The age of the specific population