1. Department of Cardiology, Chengdu Second People’s Hospital, Chengdu. Sichuan, China
2. Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
3. Department of Pathophysiology, Fenyang School of Shanxi Medical University, Fenyang, Shanxi, China
4. Department of Cardiology, Sichuan Provincial People’s Hospital, Chengdu, Sichuan Province, China