1. Department of Endocrinology and Diabetes Mellitus, Faculty of Medicine, Fukuoka University, Fukuoa 814-0180, Japan
2. Jichi Children’s Medical Center Tochigi, Pediatrics, Shimotsuke 329-0498, Japan
3. Division of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Yokohama City Seibu Hospital, Yokohama 241-0811, Japan
4. Health Service Center, Kochi University, Nankoku 780-8520, Japan
5. Department of Pediatrics, Asahikawa Medical University, Sapporo 078-8510, Japan
6. Department of Advanced Biological Sciences for Regeneration, Tohoku University, Graduate School of Medicine, Sendai 980-8575, Japan
7. Department of Pediatrics, Keio University School of Medicine, Tokyo 160-8582, Japan
8. Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Kurashiki 701-0192, Japan
9. Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan
10. Shiraume Toyooka Hospital, Iwata 438-0126, Japan
11. Tamana Central Hospital, Tamana 865-0064, Japan
12. Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo 060-8638, Japan
13. Department of Metabolic Medicine, Osaka University Graduate School of Medicine, Suita 565-0871, Japan
14. Department of Medicine and Bioregulatory Science, Graduate School of Medical Science, Kyushu University, Fukuoka 812-8582, Japan
15. Nissay Hospital, Osaka 550-0012, Japan