Duke Family Medicine Center, Durham, North Carolina, United States
University of California, Irvine Medical Center, Orange, California, United States
Duke University Medical Center, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States
Atlanta Institute for Medical Research, Inc., Atlanta, Georgia, United States
HealthEast Medical Research Institute, Saint Paul, Minnesota, United States
Foothill Cardiology, Pasadena, California, United States
Moi University, Eldoret, Kenya
Duke Eye Center, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States