1. Cardiovascular Medicine Department, Center of Excellence in Arrhythmia Research, Faculty of Medicine, King Chulalongkorn Memorial Hospital Chulalongkorn University Bangkok Thailand
2. Division of Cardiac Electrophysiology University of Michigan Health Care Ann Arbor Michigan USA
3. Department of Internal Medicine, Cardiology Division, Faculty of Medicine Vajira Hospital Navamindradhiraj University Bangkok Thailand
4. Michigan Heart Ypsilanti Michigan USA
5. Department of Biostatistics, Bloomberg School of Public Health Johns Hopkins University Baltimore Maryland USA
6. Section of Cardiac Electrophysiology AIG Institute of Cardiac Sciences and Research Hyderabad India