1. From the Department of Cardiovascular Surgery, Cardiovascular Institute and Fuwai Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing (L.S., J.Z., U.L., J.Z.), and Department of Cardiovascular Surgery, Tianjin Cardiovascular Institute and Tianjin Chest Hospital, Tianjin (R.Q.), China. Drs Sun, Zhu, Liu, and Zheng are now at the Beijing Aortic Disease Center, Beijing Institute of Heart, Lung and Blood Vessel Diseases and Beijing Anzhen Hospital, Capital Medical...