1. National Cerebral and Cardiovascular Center
2. Kurume University School of Medicine
3. National Center for Child Health and Development
4. Osaka Medical Center and Research Institute for Maternal and Child Health
5. Nagano Children's Hospital
6. Kanagawa Children's Medical Center
7. University of Tsukuba
8. Toho University Omori Medical Center
9. Saitama Medical University International Medical Center
10. Chiba University
11. Shizuoka Children's Hospital