1. Department of Cardiology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
2. Clinical Research Support Center, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan
3. Division of Clinical Research Planning, Department of Development Strategy, Center for Clinical Research and Development, National Center for Child Health and Development, Tokyo, Japan
4. Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
5. Department of Pediatrics, Nippon Medical School, Tokyo, Japan
6. Department of Pediatrics, NTT Sapporo Medical Center, Hokkaido, Japan
7. Department of Pediatric Cardiology and Nephrology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
8. Department of Pediatrics, Graduate School of Medicine, University of Toyama, Toyama, Japan
9. Division of Clinical Research Planning, Department of Development Strategy, Center for Department of Pediatrics, Nagoya University Hospital, Aichi, Japan
10. Department of Pediatrics, Mie University Graduate School of Medicine, Mie, Japan
11. Department of Pediatrics, Niigata City General Hospital, Niigata, Japan
12. Department of Pediatrics, Gunma University Graduate School of Medicine, Gunma, Japan
13. Department of Pediatric Cardiology, Ibaraki Children's Hospital, Ibaraki, Japan
14. Department of Pediatrics and Child Health, Kurume University School of Medicine, Fukuoka, Japan
15. Department of Pediatrics, Niigata University, Niigata, Japan
16. Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
17. Department of Pediatrics, Kurashiki Central Hospital, Okayama, Japan
18. Department of Pediatrics, Toho University Medical Center Omori Hospital, Tokyo, Japan
19. Department of Pediatrics, Shinshu University School of Medicine, Nagano, Japan
20. Department of Pediatrics, St. Marianna University School of Medicine, Kanagawa, Japan
21. Department of Pediatrics, Perinatal and Maternal Medicine, Tokyo Medical and Dental University, Tokyo, Japan
22. Department of General Pediatrics & Interdisciplinary Medicine, Fukuoka Children's Hospital, Fukuoka, Japan
23. Department of Pediatrics, Tokushima University, Tokushima, Japan
24. Department of Pediatrics, Tokyo Women's Medical University Yachiyo Medical Center, Chiba, Japan
25. Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
26. Department of Pediatrics, Kitasato University, Kanagawa, Japan
27. Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka, Japan
28. Department of Pediatrics, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
29. Department of Pediatrics, Osaka Medical College, Osaka, Japan
30. Department of Pediatrics, National Defense Medical College, Saitama, Japan
31. Department of Pediatric Cardiology and Neonatology, Ogaki Municipal Hospital, Gifu, Japan
32. Department of Pediatrics, Tokai University School of Medicine, Kanagawa, Japan
33. Department of Pediatrics, Japanese Red Cross Nagoya Daiichi Hospital, Aichi, Japan
34. Department of Pediatrics, Yokosuka General Hospital Uwamachi, Kanagawa, Japan
35. Department of Pediatrics, Teine Keijinkai Hospital, Hokkaido, Japan
36. Department of Pediatrics, Kanazawa Medical University, Ishikawa, Japan
37. Department of Pediatrics, Kagoshima University, Kagoshima, Japan
38. Japan Community Healthcare Organization Chukyo Hospital, Nagoya, Japan
39. Department of Pediatrics, Japan Community Healthcare Organization Osaka Hospital, Osaka, Japan
40. Department of Pediatrics, Saiseikai Utsunomiya Hospital, Tochigi, Japan
41. Department of Pediatrics, Hokkaido University Hospital, Hokkaido, Japan
42. Department of Pediatrics, Akita University, Akita, Japan
43. Department of Pediatrics, Kochi University, Kochi, Japan
44. Department of Pediatrics, Kyushu University, Fukuoka, Japan