1. Department of Biochemistry Hamamatsu University School of Medicine Hamamatsu Japan
2. Department of Pediatrics Hamamatsu University School of Medicine Hamamatsu Japan
3. Hamamatsu Child Health and Developmental Medicine Hamamatsu Japan
4. Department of Pediatric Surgery Shizuoka Children's Hospital Shizuoka Japan
5. Division of Clinical Genetics and Cytogenetics Shizuoka Children's Hospital Shizuoka Japan
6. Department of Pediatrics Hamamatsu Medical Center Hamamatsu Japan