Hospital-Physician Joint VenturesHospitalistsPhysiciansMedical Staff, HospitalPsychoneuroimmunologyHospital Bed Capacity, 300 to 499Capital FinancingInvestmentsWorkplaceJointsGermanyQuestionnairesLocal GovernmentPublic Health AdministrationEquipment and SuppliesUnited StatesPublic HealthHealth StatusFees and ChargesMedicare Part BDelivery of Health CareOwnershipPhysician's Practice Patterns