1 Department of Cardiology, School of Medicine, Xinhua Hospital, Shanghai Jiao Tong University, #1665, KongJiang Road, Shanghai, 200092, China. fengxiangfei@xinhuamed.com.cn.
2 Department of Cardiology, School of Medicine, Xinhua Hospital, Shanghai Jiao Tong University, #1665, KongJiang Road, Shanghai, 200092, China.
3 Department of Cardiology, School of Medicine, Xinhua Hospital, Shanghai Jiao Tong University, #1665, KongJiang Road, Shanghai, 200092, China. liyigang@xinhuamed.com.cn.