1. Arrhythmia Centre, Fuwai Hospital, National Centre for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Department of Cardiology Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University Shanghai China
3. Department of Cardiology Guangdong Cardiovascular Institute, Guangdong General Hospital Guangzhou China
4. Department of Cardiology First Affiliated Hospital of Harbin Medical University Harbin China
5. Department of Cardiology Nanjing Drum Tower Hospital Nanjing China