Observational Study for Assessing Treatment and Outcome of Patients With Primary Brain Tumours Using cIMPACT-NOW and 2021 WHO Classification
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC
Memorial Sloan Kettering Cancer Center
Children's Oncology Group
University Hospital Regensburg
Beijing Tiantan Hospital
West China Hospital
National Institutes of Health Clinical Center (CC)
National Cancer Institute (NCI)