Piedmont Heart Institute, Atlanta, Georgia, United States
Oregon Health and Sciences University, Portland, Oregon, United States
Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
Akron Children's Hospital, Akron, Ohio, United States
Stanford University Medical Center, Palo Alto, California, United States
Children's Hospital and Medical Center, Omaha, Nebraska, United States
Medical University of South Carolina, Charleston, South Carolina, United States
Stanford University Medical Center, Palo Alto, California, United States
Stanford University Medical Center, Palo Alto, California, United States
Sarasota Memorial Hospital, Sarasota, Florida, United States
VA San Diego Healthcare System, San Diego, California, United States
Wuhan Union Hospital, Wuhan, Hubei, China
Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
The First Teaching Hospital of Xinjiang Medical University, Wulumuqi, Xinjiang, China