1 Department of Cardiology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine (Originally Named "Shanghai First People's Hospital"), 100 Haining Road, Shanghai, 200080, People's Republic of China.
2 Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine (Originally Named "Shanghai First People's Hospital"), Shanghai, China.
3 Department of Nursing, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine (Originally Named "Shanghai First People's Hospital"), Shanghai, China.
4 Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China.
5 Department of Cardiology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine (Originally Named "Shanghai First People's Hospital"), 100 Haining Road, Shanghai, 200080, People's Republic of China. zhi.zhang@shgh.cn.