1. Graduate School of Comprehensive Human Sciences University of Tsukuba Tsukuba Japan
2. Departments of Clinical Psychology University of Tsukuba Hospital Tsukuba Japan
3. Institute of Health and Sport Sciences University of Tsukuba Tsukuba Japan
4. Department of Child Health, Institute of Medicine University of Tsukuba Tsukuba Japan
5. Faculty of Nursing and Medical Care Keio University Shinjuku Japan
6. Departments of Medical Liaison and Patient Support Services Center University of Tsukuba Hospital Tsukuba Japan
7. Departments of Pediatric Hematology Oncology Japanese Red Cross Narita Hospital Narita Japan
8. Departments of Pediatric Oncology Saitama Medical University International Medical Center Hidaka Japan
9. Health Services Research & Development Center University of Tsukuba Tsukuba Japan