Author(s) affiliations:Jun-Hua Wang, Peng Zhou1, Yu-Qian Li, Jin-Jin Sun, Wei-Jie Tan, Cong-Chun Huang, Xin-Ya Yu, Chao-Zhong Liu, Hui-Lan Luo
Department of Cardiology, Air Force General Hospital, PLA, No.30, Fucheng Road, Haidian District, Beijing, PR China,
1Section on Cardiology, Internal Medicine, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC, USA.