1. From the Section of Adult Cardiac Surgery (X.W., S.A.L.M., L.C., Y.H.S., Y.G., H.B., S.A.C., B.U., H.O., J.S.C., X.L.W.), Texas Heart Institute at St. Luke’s Episcopal Hospital, and the Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Tex, and the Department of Vascular Surgery (X.W.) First Teaching Hospital, China Medical University, Shenyang, China.