1. Department of Cardiovascular and Internal Medicine, Kanazawa University Graduate School of Medicine
2. Department of Pediatrics, Faculty of Medicine, University of Toyama
3. Internal Medicine II, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
4. Division of Cardiology, Toyama Prefectural Central Hospital
5. Department of Cardiology, Kanazawa Medical University
6. Department of Internal Medicine, Komatsu Municipal Hospital
7. Department of Cardiovascular Medicine, Faculty of Medical Sciences, University of Fukui
8. Department of Cardiology, Fukui Cardiovascular Center
9. Department of Thoracic, Cardiovascular and General Surgery, Kanazawa University