1. From the Department of Surgery (D.-D.C., A.F.C.), University of Pittsburgh School of Medicine, Pittsburgh, PA; Vascular Surgery Research (D.-D.C., A.F.C.), Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA; Department of Cardiology (D.-D.C., Y.-G.D.), First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China; Department of Cardiology and Center of Clinical Pharmacology (H.Y., A.F.C.), Third Xiangya Hospital, Central South University, Changsha, Hunan, China.