1. Department of Cardiology; the Chongqing Cardiac Arrhythmias Service Center; the Second Affiliated Hospital of Chongqing Medical University; Chongqing China
2. Department of Medicine/Cardiology; Shanghai General Hospital; Shanghai First People's Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
3. Medizinische Klinik I; Krankenhaus Landshut/Achdorf; Landshut Germany