ImproveCodel
University Hospital Heidelberg
University Hospital Heidelberg
Alliance for Clinical Trials in Oncology
Radiation Therapy Oncology Group
Novartis
Radiation Therapy Oncology Group
Children's Oncology Group
Societe Internationale d'Oncologie Pediatrique
Indiana University
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Memorial Sloan Kettering Cancer Center
European Organisation for Research and Treatment of Cancer - EORTC