1. Department of Cardiology, Toranomon Hospital
2. Department of Cardiology, Cardiovascular Center, St. Luke’s International Hospital
3. Division of Renal Diseases and Hypertension, School of Medicine, University of Colorado Denver
4. Chiba Cardiovascular Center
5. Kakogawa City Hospital Organization
6. National Cerebral and Cardiovascular Center
7. Shizuoka Children’s Hospital
8. Department of Pediatrics, Faculty of Medicine, University of Toyama
9. Saiseikai Yokohama City Tobu Hospital
10. Cardiac Intensive Care Unit, Okayama University Graduate School of Medicine
11. Seirei Hamamatsu Hospital