University of Leeds, affiliation not provided to SSRN, Fondazione IRCCS Istituto Nazionale dei Tumori, Fondazione IRCCS Istituto Nazionale dei Tumori, German Cancer Research Center (DKFZ), affiliation not provided to SSRN, École Normale Supérieure - PSL Research University - Institut Curie, Fondazione IRCCS Istituto Nazionale dei Tumori, Fondazione IRCCS Istituto Nazionale dei Tumori, Istituti Fisioterapici Ospitalieri (IFO) - IRCCS Regina Elena National Cancer Institute, University of Copenhagen - Copenhagen University Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Autonomous University of Barcelona - Health Services Research Unit, Gustave Roussy, Fondazione IRCCS Istituto Nazionale dei Tumori, Autonomous University of Barcelona - Hospital del Mar, Gustave Roussy, University of Copenhagen, Faculty of Health and Medical Sciences, Department of Public Health, affiliation not provided to SSRN, Netherlands Cancer Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Gustave Roussy, Copenhagen University - Copenhagen University Hospital, SporeData Inc, affiliation not provided to SSRN, Fondazione IRCCS Istituto Nazionale dei Tumori, UNICANCER, Netherlands Cancer Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, Netherlands Cancer Institute, Gustave Roussy, Fondazione IRCCS Istituto Nazionale dei Tumori, University of Leeds and Leeds Teaching Hospitals NHS Trust