[1] Vrije Univ Brussel, End Of Life Care Res Grp, B-1090 Brussels, Belgium
[2] Vrije Univ Brussel, Dept Publ Hlth, B-1090 Brussels, Belgium
[3] Vrije Univ Amsterdam Med Ctr, Dept Publ & Occupat Hlth, EMGO Inst Hlth & Care Res, Expertise Ctr Palliat Care, Amsterdam, Netherlands
[4] Univ Ghent, Bioeth Inst Ghent, B-9000 Ghent, Belgium