1. Ghent University & Vrije Universiteit Brussel, End-of-Life Care Research Group, Belgium
2. University of Alberta, Canada
3. University of Auckland, New Zealand
4. VU University Medical Center, Department of Public and Occupational Health, EMGO Institute for Health and Care Research, Expertise Center for Palliative Care, the Netherlands and Ghent University & Vrije Universiteit Brussel, End-of-Life Care Research Group, Belgium