1. Department of Paediatrics; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
2. Department of Paediatrics; Oita University School of Medicine; Yufu Japan
3. Department of Molecular Endocrinology; National Research Institute for Child Health and Development; Tokyo Japan
4. Department of Paediatrics; Hamamatsu University School of Medicine; Hamamatsu Japan
5. Department of Paediatrics; Osaka City University Hospital; Osaka Japan
6. Department of Paediatrics and Child Health; Nihon University School of Medicine; Tokyo Japan
7. Department of Paediatrics; Yokohama City Minato Red Cross Hospital; Yokohama Japan
8. Department of Clinical Laboratory; Shikoku Medical Center for Children and Adults; Zentsuji Japan
9. Department of Paediatrics; Graduate School of Medical Sciences Tokushima University; Tokushima Japan
10. Department of Paediatrics; Ehime University Hospital; Toon Japan
11. Department of Paediatrics; Sumitomo Besshi Hospital; Niihama Japan
12. Department of Paediatrics; Asahikawa Medical University Hospital; Asahikawa Japan
13. Department of Paediatrics; Asahikawa-Kosei General Hospital; Asahikawa Japan
14. Department of Paediatrics; JR Sendai Hospital; Sendai Japan
15. Department of Paediatrics; Saitama Medical University Hospital; Saitama Japan
16. Department of Paediatrics; Niigata University Medical and Dental Hospital; Niigata Japan
17. Department of Paediatrics; Nagano Red Cross Hospital; Nagano Japan
18. Department of Paediatrics; Shinshu Ueda Medical Centre; Ueda Japan
19. Department of Paediatrics; Dokkyo Medical University Hospital; Shimotsuga Japan
20. Department of Paediatrics; Tokyo Dental College Ichikawa General Hospital; Ichikawa Japan
21. Department of Paediatrics; Yokosuka Kyosai Hospital; Yokosuka Japan
22. Department of Pediatrics; Kitasato University Hospital; Sagamihara Japan
23. Department of Paediatrics and Adolescent Medicine; Juntendo University School of Medicine; Tokyo Japan
24. Department of Paediatrics; St Marianna University School of Medicine; Kawasaki Japan
25. Department of Paediatrics; National Mie Hospital; Tsu Japan
26. Department of Paediatrics; Osaka Medical College; Takatsuki Japan
27. Department of Paediatrics; Japanese Red Cross Kyoto Daiichi Hospital; Kyoto Japan
28. Department of Paediatrics; Tottori University Faculty of Medicine; Yonago Japan
29. Department of Paediatrics; Tottori Prefectural Kousei Hospital; Kurayoshi Japan
30. Department of Paediatrics; Teine Keijinkai Hospital; Sapporo Japan
31. Department of Early Childhood Care and Education; Seitoku University Junior College; Matsudo Japan
32. Department of Paediatrics; Kanazawa University; Kanazawa Japan
33. Department of Paediatrics; University Hospital; Kyoto Prefectural University of Medicine; Kyoto Japan
34. Takahashi Clinic; Kobe Japan
35. Department of Paediatrics; Teikyo University Chiba Medical Center; Ichihara Japan
36. Matsuo Kodomo Clinic; Kyoto Japan
37. Department of Metabolism and Endocrinology; Saitama Children's Medical Centre; Saitama Japan
38. Department of Paediatrics; University of Yamanashi Hospital; Chuo Japan
39. Miyanosawa Koike Child Clinic; Sapporo Japan
40. Division of Endocrinology and Metabolism; Department of Medical Subspecialties; National Medical Centre for Children and Mothers; Tokyo Japan
41. Teno Clinic; Izumo Japan
42. Department of Paediatrics; Chuno Kosei Hospital; Seki Japan
43. Department of Paediatrics; Osaka City General Hospital; Osaka Japan
44. Department of Paediatrics; Osaka Police Hospital; Osaka Japan
45. Igarashi Children's Clinic; Sendai Japan
46. Department of Paediatrics; Tokyo Women's Medical University Medical Centre East; Tokyo Japan