Adelphi Values, Patient-Centered Outcomes, Adelphi Values, Patient-Centered Outcomes, University of Southampton, Martin Luther University of Halle-Wittenberg - Institute of Health & Nursing Science, University Hospital Regensburg - Center for Clinical Studies, Netherlands Comprehensive Cancer Organisation, University of Leeds, Istituto Nazionale Tumori - IRCCS Fondazione G. Pascale, Andrzej Frycz Modrzewski Kracow University, Netherlands Cancer Institute - Division of Psychosocial Research and Epidemiology, Adelphi Values, Patient-Centered Outcomes, Adelphi Values, Patient-Centered Outcomes, Swansea University, Adelphi Values, Patient-Centered Outcomes, University of Copenhagen, Faculty of Health and Medical Sciences, Department of Public Health, Adelphi Values, Patient-Centered Outcomes, University of Sussex - Brighton and Sussex Medical School and European Organisation for Research and Treatment of Cancer (EORTC)

European Organisation for Research and Treatment of Cancer (EORTC), European Organisation for Research and Treatment of Cancer (EORTC), University of Amsterdam - University Medical Center, Karolinska Institutet, University of Copenhagen, Faculty of Health and Medical Sciences, Department of Public Health, University Hospital Magdeburg, Adelphi Values, Patient-Centered Outcomes, University of Leeds, Leiden University - Leiden University Medical Center (LUMC), Medical University of Graz, University Medical Center Mainz, Maria Sklodowska-Curie National Research Institute of Oncology, Innsbruck Institute of Patient-centered Outcome Research (IIPCOR), University of Southampton, Princess Máxima Center for Pediatric Oncology, University Hospital Regensburg - Center for Clinical Studies, University of Amsterdam - Amsterdam University Medical Centers, Leiden University - Leiden University Medical Center (LUMC), The University of Sydney - School of Psychology and European Organisation for Research and Treatment of Cancer (EORTC)

University of Amsterdam - Amsterdam University Medical Centers, European Organisation for Research and Treatment of Cancer (EORTC), European Organisation for Research and Treatment of Cancer (EORTC), Leiden University, Erasmus University Rotterdam (EUR) - Erasmus Medical Center (MC), KU Leuven, Sorbonne University, Utrecht University - Department of Medical Oncology, University of Amsterdam - Amsterdam University Medical Centers, Heidelberg University - University Hospital Heidelberg, University College Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, European Organisation for Research and Treatment of Cancer (EORTC), European Organisation for Research and Treatment of Cancer (EORTC), European Organisation for Research and Treatment of Cancer (EORTC), Erasmus MC - Brain Tumor Centre and Independent