1. Vrije Universiteit Brussel (VUB) & Ghent University, End-of-Life Care Research Group, Brussels, Belgium
2. Vrije Universiteit Brussel, Department of Family Medicine and Chronic Care, Brussels, Belgium
3. Ghent University, Department of Public Health and Primary Care, Ghent, Belgium
4. Ghent University, Knowledge Management Center Ghent, Ghent, Belgium
5. Erasmus University Medical Centre, Department of Public Health, Rotterdam, The Netherlands