What are the recent legal developments with regard to "closed staff" hospital specialty departments?
D003284:Contract Services / Q000331:legislation & jurisprudence*; D005376:Financial Management / Q000331:legislation & jurisprudence*; D006748:Hospital Departments / Q000331:legislation & jurisprudence / Q000458:organization & administration; D007325:Institutional Practice / Q000331:legislation & jurisprudence; D008505:Medical Staff, Hospital / Q000331:legislation & jurisprudence*; D008511:Medicine; D013038:Specialization; D014481:United States