Cardiovascular Research Foundation, New York, New York, United States
The Heart Care Research Foundation, Blue Island, Illinois, United States
Keck School of Medicine, University of Southern California, Los Angeles, California, United States
Emory Hospital, Atlanta, Georgia, United States
International Heart Institute, Missoula, Montana, United States
Cardio-Thoracic Surgeons, PC, Birmingham, Alabama, United States
St Vincent Medical Center, Los Angeles, California, United States
Memorial Herman Memorial City Hospital, Houston, Texas, United States
The Cleveland Clinic, Cleveland, Ohio, United States
The Cleveland Clinic, Cleveland, Ohio, United States
The Cleveland Clinic, Cleveland, Ohio, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States
Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, United States
Children's Hospital of Orange County, Orange, California, United States