1. From the Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China (Y.L., X.Y.)
2. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA (Y.L., Y.Y., L.B., J.H., W.C.)
3. Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China (Y.Y.)
4. Children’s Minnesota Research Institute, Children’s Hospitals and Clinics of Minnesota, Minneapolis, MN (S.L.).