1 End-of-Life Care Research Group, Vrije Universiteit Brussel and Ghent University, Brussels, Belgium; Compassionate Communities Centre of Expertise (CoCo), Vrije Universiteit Brussel, Brussels, Belgium.
2 End-of-Life Care Research Group, Vrije Universiteit Brussel and Ghent University, Brussels, Belgium; St. Christopher's Hospice, London, UK; Division of Psychiatry, Marie Curie Palliative Care Research Department, University College London, London, UK.