1. From the National Clinical Research Center of Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease (Z.Z., H.Z., X.Y., C.R., Y.Z., S.H.), and Department of Cardiovascular Surgery (Z.Z., H.Z., X.Y., C.R., S.H.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China; Department of Health Care Policy, Harvard Medical School and the Department of Biostatistics, Boston, MA (S...