1. Cardiology; Kindai University School of Medicine; Osaka Japan
2. Department of Cardiology; Kokura Memorial Hospital; Fukuoka Japan
3. Department of Cardiology; Eastern Chiba Medical Center; Chiba Japan
4. Department of Cardiovascular Medicine; Kyoto University Graduate School of Medicine; Kyoto Japan
5. Department of Cardiovascular Medicine; National Hospital Organization Wakayama Hospital; Wakayama Japan
6. Pharmacology; St. Marianna University School of Medicine; Kanagawa Japan
7. Medtronic Bakken Research Center; Maastricht Netherlands
8. Medtronic plc; Mounds View MN USA
9. The Christ Hospital; Cincinnati OH USA
10. Catharina Ziekenhuis; Eindhoven Netherlands
11. Fondazione Cardiocentro Ticino; Lugano Switzerland
12. Vancouver Island Arrhythmia Clinic; Victoria BC Canada
13. Division of Cardiology; Saiseikai Kumamoto Hospital Cardiovascular Center; Kumamoto Japan