SPECTA
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC
Eastern Cooperative Oncology Group
Canadian Cancer Trials Group
UroTrials Company (GmbH)
Children's Oncology Group
Centre Hospitalier de Valenciennes
Proton Collaborative Group
Canadian Cancer Trials Group
Centre Hospitalier de Valenciennes
European Organisation for Research and Treatment of Cancer - EORTC
Children's Cancer Group, China