Duke Clinical Research Unit, Durham, North Carolina, United States
Hetényi Géza Hospital and Out-Patient Clinic, 1st Department of Internal Medicine, Szolnok, Hungary
Endocrinology and Metabolism Service, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
Semmelweis University, 2nd Clinic of Internal Medicine, Budapest, Hungary
OPKO Health, Inc, Bannockburn, Illinois, United States
Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
Innovative Clinical Concepts, Paducah, Kentucky, United States
Raleigh Neurology Associates, Raleigh, North Carolina, United States
Premiere Research Institute, West Palm Beach, Florida, United States
Centro Laser, Santo Domingo, Dominican Republic
OPKO site, Morristown, New Jersey, United States
Brain Matters Research, Inc., Delray Beach, Florida, United States
Sunrise Clinical Research, Inc, Hollywood, Florida, United States
Upstate Clinical Research, LLC, Albany, New York, United States