ALEXANDRA HOSPITAL (NATIONAL UNIVERSITY HEALTH SYSTEM)
APOLLO HOSPITALS
CLEVELAND CLINIC
DAVITA INC.
FRESENIUS MEDICAL CARE AG
JOHNS HOPKINS HEALTH SYSTEM
KAISER FOUNDATION HEALTH PLAN INC.
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (MFMER)
MEMORIAL SLOAN KETTERING CANCER CENTER
MOUNT SINAI MEDICAL CENTER
PALLIUM INDIA
SELECT MEDICAL CORP.
TH MEDICAL
THE UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER
UNIVERSITY OF MARYLAND MEDICAL SYSTEM