1. From the Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, CT (E.S.S., Y.W., Y.L., X.X., H.M.K.); Section of Cardiovascular Medicine, Department of Internal Medicine (E.S.S., Y.W., H.M.K.), Department of Obstetrics and Gynecology and Reproductive Sciences (X.X.), Yale School of Medicine, New Haven, CT; Harvard Medical School, Boston, MA (A.L.B.); National Center for Cardiovascular Diseases, Fuwai Hospital, Beijing, China (X.W., X.D., J.L., L.J.); Johns Hopkins School of Nursing,...