[1] University of Groningen,Department of General Practice and Elderly Care Medicine
[2] University Medical Center Groningen,Department of Pulmonary Diseases and Tuberculosis
[3] University of Groningen,Department of Public and Occupational Health, Amsterdam UMC
[4] University Medical Center Groningen,undefined
[5] Dutch Federation of Cancer Patients Organisations (Nederlandse Federatie van Kankerpatiëntorganisaties,undefined
[6] NFK),undefined
[7] Dutch Breast Cancer Association (Borstkankervereniging Nederland,undefined
[8] BVN),undefined
[9] The Netherlands Comprehensive Cancer Organisation,undefined
[10] Netherlands Association for Palliative Care (PZNL),undefined
[11] Vrije Universiteit Amsterdam,undefined
[12] Amsterdam Public Health Research Institute,undefined