1. End-of-Life Care Research Group, Vrije Universiteit Brussel, Brussels, Belgium (KC, JB, JC, LD)
2. Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium (JB)
3. Department of Public and Occupational Health, EMGO Institute for Health and Care Research, Expertise Center for Palliative Care, VU University Medical Center, Amsterdam, the Netherlands (BDOP, LD)
4. Bioethics Institute Ghent, Ghent University, Ghent, Belgium (FM)