1 Institute of Basic Medical Sciences (S.-S.Z.), Medical College, Dalian University, Dalian 116622, China; Department of Obstetrics and Gynecology (D.L.), Shengjing Hospital of China Medical University, Shenyang 110004, China; and Renal Division (Y.Z.), Department of Medicine, Brigham and Women's Hospital, Harvard Institutes of Medicine, Harvard Medical School, Boston, Massachusetts 02115.