1. Division of Pediatrics and Perinatology, Tottori University Faculty of Medicine, Yonago, Tottori, 683-8504, Japan
2. Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, 565-0871, Japan
3. Department of Endocrinology and Metabolism, Kanagawa Children’s Medical Center, Yokohama, Kanagawa, 232-8555, Japan
4. Department of Pediatrics, Okayama Saiseikai Outpatient Center Hospital, Okayama, 700-0013, Japan
5. Kyowa Kirin Co., Ltd., Chiyoda-ku, Tokyo, 100-0004, Japan
6. Department of Pediatrics, Osaka Hospital, Japan Community Healthcare Organization (JCHO), Osaka, 553-0003, Japan