Site 11, Augusta, Georgia, United States
Site 3, Valparaiso, Indiana, United States
Site 12, Louisville, Kentucky, United States
Washington University School of Medicine Division of Geriatrics and Nutritional Studies, St. Louis, Missouri, United States
High Point Clinical Trials Center, High Point, North Carolina, United States
Duke Clinical Research Unit, Durham, North Carolina, United States
Elite Research Institute, Miami, Florida, United States