1. Department of Cardiology, Panyu Central Hospital, East Fuyu Road, Qiaonan Street, Panyu District, Guangzhou, China
2. The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
3. Department of Cardiology, Guangdong Cardiovascular Institute, Affiliated South China Hospital, Southern Medical University (Guangdong Provincial People’s Hospital) Guangdong Academy of Medical Sciences, Guangzhou, China