1. End-of-Life Care Research Group, Vrije Universiteit Brussel, Brussels, Belgium
2. Heymans Institute for Pharmacology, Ghent University, Ghent, Belgium
3. Bioethics Institute Ghent, Ghent University, Ghent, Belgium
4. Department of Medical Oncology, University Hospital of Brussels, Brussels, Belgium
5. Department of Pulmonary Medicine, University Hospital of Antwerp, Edegem, Belgium
6. Department of Pulmonary Medicine, ZNA Middelheim Hospital, Antwerp, Belgium
7. Department of Pulmonary Medicine, Hospital Sint-Augustinus, Wilrijk, Belgium
8. on behalf of the EOLIC consortium; End-of-Life Care Research Group, Vrije Universiteit Brussel, Brussels, Belgium; Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands