1. Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto, Japan;
2. Center for Medical Genetics, Shinshu University Hospital, Matsumoto, Japan;
3. The Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan;
4. Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan;
5. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan