Design, operation and management of nursing homes, rest homes, retirement homes, retirement villages, hospitals, convalescent homes, medical clinics and sanatoriums; health care; medical assistance; and all other related services in class 42, hospital services of all kinds including but not limited to the management and provision of medical services, surgical services, nursing services, research and development services, diagnostic services, maternity services, rehabilitation and palliative care services, day procedure services, human organ function determination, catering services, diet and social worker services