1. Vrije Universiteit Brussel (VUB) & Ghent University, End-of-Life Care Research Group, Brussels, Belgium
2. Vrije Universiteit Brussel (VUB), Department of Family Medicine and Chronic Care, Brussels, Belgium
3. Department of Public Health and Primary Care, Academic Center of General Practice, KU Leuven, Leuven, Belgium
4. Department of Epidemiology and Data Science, Amsterdam University Medical Center, Amsterdam, The Netherlands
5. Institute of General Practice, Goethe University, Frankfurt am Main, Germany
6. Department of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands