Affiliation: | 1. Cardivascular Division, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, , Wuhan, P. R. China;2. Mercy St. Vincents Medical Center, , Toledo, Ohio;3. Cardiovascular Division, Affiliated Hospital of Nanjing Medical University, , Nanjing, P. R. China;4. Cardiovascular Medicine Division, Stanford University, , Stanford, California;5. Cardiovascular Institute, First Affiliated Hospital of Guangxi Medical University, , Nanning, P. R. China |