University of Groningen - University Medical Center Groningen (UMCG), Albert Schweitzer Hospital, Erasmus University Rotterdam (EUR) - Clinical Trial Center, University of Groningen - University Medical Center Groningen (UMCG), Medical Center Leeuwarden, Medisch Spectrum Twente, University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - Groningen Research Institute for Asthma and COPD, Meander Medical Center, Tjongerschans, Antonius Zorggroep - Antonius Hospital Sneek, Deventer Ziekenhuis - Deventer Hospital, Maastricht University - Medical Center, Medical Center Leeuwarden, University of Groningen - Department of Hematology and Oncology, Independent, University of Groningen - Department of Pulmonary Diseases, Erasmus University Rotterdam (EUR) - Department of Hematology, Albert Schweitzer Hospital, University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - Department of Epidemiology, Albert Schweitzer Hospital, Medical Center Leeuwarden, University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG) and University of Groningen - Department of Hematology and Oncology

Dutch Institute for Clinical Auditing, VU University Amsterdam - Department of Medical Oncology, Rode Kruis Ziekenhuis, Netherlands Cancer Institute - Division of Molecular Oncology and Immunology, Netherlands Cancer Institute, Maastricht University Medical Centre, Zuyderland Medical Centre, Isala Zwolle, University Medical Centre Groningen, Leiden University Medical Centre, Medisch Spectrum Twente, affiliation not provided to SSRN, Amphia Hospital, Maxima Medical Centre, Donders Institute for Brain Cognition and Behaviour - Radboudumc, University of Ljubljana, University Medical Centre Utrecht, Dutch Institute for Clinical Auditing and Leiden University - Leiden University Medical Center (LUMC)