1. Cardiovascular Center, Osaka Medical and Pharmaceutical University
2. Department of Pediatrics, Faculty of Medicine, Saitama Medical University
3. Faculty of Nursing and Medical Care, Keio University
4. Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medicine
5. Department of Pediatrics, School of Medicine, University of Yamanashi
6. Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
7. Department of Cardiorenal and Cerebrovascular Medicine, Faculty of Medicine, Kagawa University
8. Department of Cardiology, Rinku General Medical Center
9. Department of Medical Education, Department of Pediatrics, School of Medicine, University of Occupational and Environmental Health, Japan