1. Department of Pediatrics, Nippon Medical School
2. Division of Clinical Research Planning, Department of Development Strategy, Center for Clinical Research and Development, National Center for Child Health and Development
3. Division of Biostatistics, Department of Data Management, Center for Clinical Research and Development, National Center for Child Health and Development
4. First Department of Pediatrics, Toho University Omori Medical Center
5. Kyoto Prefectural University of Medicine, Graduate School of Medical Science
6. Department of Cardiology, National Center for Child Health and Development
7. Department of Pediatrics, Wakayama Medical University
8. Department of Pediatrics Cardiovascular Surgery, National Cerebral and Cardiovascular Center
9. Department of Pediatrics, Nihon University School of Medicine
10. Division of Cardiology, Tokyo Metropolitan Children’s Medical Center
11. Department of Pediatrics, Graduate School of Medicine, Chiba University
12. Division of Cardiology, Gunma Children’s Medical Center
13. Department of Public Health, Jichi Medical University