1. The University of Tokyo, Japan
2. Sophia University, Tokyo, Japan
3. Kurume University, Fukuoka, Japan
4. Juntendo University, Tokyo, Japan
5. Shikoku Medical Center for Children and Adults, Kagawa, Japan
6. Niigata Cancer Center Hospital, Japan
7. National Hospital Organization Nagoya Medical Center, Japan
8. National Research Institute for Child Health and Development, Tokyo, Japan
9. National Kyushu Cancer Center, Fukuoka, Japan
10. Ehime Prefectural Central Hospital, Japan