1. Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
2. Department of Medicine, section Endocrinology, Erasmus University Medical Centre, Rotterdam, The Netherlands
3. St. Luke’s International University, Tokyo, Japan
4. Children’s Cancer Association of Tokyo, Japan
5. National Center for Child Health and Development, Tokyo, Japan
6. Ehime Prefectural Central Hospital, Matsuyama, Japan
7. Nippon Medical School, Tokyo, Japan