1. End-of-Life Care Research Group, Vrije Universiteit Brussel (VUB) & Ghent University, Wemmel, Belgium
2. Scientific Institute of Public Health (Wetenschappelijk Instituut Volksgezondheid, Institut Scientifique de Santé Publique), Unit of Health Services Research, Brussels, Belgium
3. Department of Medical Oncology, Ghent University Hospital, Ghent, Belgium