1. Department of Pediatrics National Hospital Organization Kagoshima Medical Center Kagoshima Japan
2. Orange Medical and Welfare Center for Severe Motor and Intellectual Disabilities Kirishima Japan
3. National Institute of Public Health Wako Japan
4. Clinical Medicine Area Japanese Red Cross Hokkaido College of Nursing Kitami Japan
5. Department of Pediatrics Aoki Internal Medicine and Cardiovascular and Pediatrics Clinic Fukuoka Japan
6. Department of Pediatrics Japan Community Health Care Organization Takaoka Fushiki Hospital Takaoka Japan
7. Department of Pediatrics National Hospital Organization Okayama Medical Center Okayama Japan
8. Department of Internal Medicine Nishifuna Naika Funabashi Japan
9. Department of Child Health, Graduate School of Comprehensive Human Sciences University of Tsukuba Tsukuba Japan
10. Tokuda Children's Clinic Amagasaki Japan
11. Epidemiology and Biostatistics Kagawa Nutrition University Sakado Japan
12. Aichi Saiseikai Rehabilitation Hospital Nagoya Japan