1. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, 157-8535 Tokyo, Japan
2. Department of Pediatrics, Fujisawa City Hospital, 251-8550, Fujisawa, Japan
3. Okamoto Internal Medicine and Pediatrics Clinic, 633-0064, Sakurai, Japan
4. Department of Pediatrics, University of Toyama, 930-0194, Toyama, Japan
5. Department of Pediatrics, Hamamatsu University School of Medicine, 431-3192, Hamamatsu, Japan