1. Department of Cardiology, Shanghai Jing'an District Central Hospital, Fudan University
2. Department of Cardiology, Shanghai Fifth People's Hospital, Fudan University
3. Center for Complex Cardiac Arrhythmias of Minhang District, Shanghai Fifth People's Hospital, Fudan University
4. Cardiovascular Research Laboratory, Shanghai Fifth People's Hospital, Fudan University
5. Department of Cardiology, Tongji Hospital, Tongji University School of Medicine
6. Department of Cardiology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine
7. Central Laboratory, Shanghai Fifth People's Hospital, Fudan University