1. End-of-Life Care Research Group; Vrije Universiteit Brussel (VUB) & Ghent University; Brussels Belgium
2. Department of Family Medicine and Chronic Care; Vrije Universiteit Brussel (VUB); Brussels Belgium
3. Department of Medical Oncology; Ghent University Hospital; Ghent Belgium
4. Department of Internal Medicine; Ghent University Hosptial; Ghent Belgium
5. Department of Respiratory Medicine; Ghent University Hospital; Ghent Belgium