1. Department of Pediatrics (N.A., S.N., T.H.), Keio University School of Medicine, Tokyo 160–8582, Japan
2. Department of Pediatrics (T.M.), Asahikawa-Kosei General Hospital, Asahikawa 078–8211, Japan
3. Japan Growth Genome Consortium (T.M., Y.I., T.T., S.Y., T.O., T.H.), Hamamatsu 431–3125, Japan
4. Department of Basic Sciences (Y.I.), The Japanese Red Cross Hokkaido College of Nursing, Kitami 090–0011, Japan
5. Tanaka Growth Clinic (T.T.), Tokyo 158–0097, Japan
6. Department of Medical Subspecialties (S.Y.), National Center for Child Health and Development, Tokyo 157–0074, Japan
7. Department of Pediatrics (T.O.), Hamamatsu University School of Medicine, Hamamatsu 431–3125, Japan