1. Medical Department, European Organisation for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
2. Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
3. Japan Clinical Oncology Group (JCOG), Data Center/Operations Office, Tokyo, Japan
4. Quality of Life Department, European Organisation for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
5. Department of Medical Oncology and Hematology, Kobe Univeersity Hospital Cancer Center, Kobe, Japan
6. Japan Brain Tumor Alliance, Yokohama, Japan
7. Rare Cancers Japan, Tokyo, Japan
8. PanCAN Japan, Tokyo, Japan
9. Leeds Institute of Medical Research at St James's University of Leeds, Leeds, UK