1. Research Committee on Clinical Management of Prader-Willi syndrome, Research on Measures for Intractable Diseases, Health and Labour Sciences Research Grants, Tokyo, Japan
2. Department of Pediatrics, Dokkyo Medical University Saitama Medical Center, Koshigaya 343-8555, Japan
3. Department of Diabetes and Endocrinology, Nara Medical University, Kashihara 634-8521, Japan