1. From the Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine (J.H., K.R., P.M., P.K.W.) and Department of Medicine, Tulane University School of Medicine (J.H., P.M., J.C., P.W.), New Orleans, La; the Cardiovascular Institute and Fuwai Hospital of the Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (D.G., X.W., J.Z., D.L.); and Pfizer Inc, New York, NY (J.M.).