[1] VU Univ Med Ctr VUmc, EMGO Inst Hlth & Care Res, Dept Publ & Occupat Hlth, Amsterdam, Netherlands
[2] VU Univ Med Ctr VUmc, Expertise Ctr Palliat Care VUmc, Amsterdam, Netherlands
[3] NIVEI, Netherlands Inst Hlth Serv Res, Utrecht, Netherlands
[4] Erasmus MC, Dept Gen Practice, Rotterdam, Netherlands
[5] VU Univ Med Ctr VUmc, EMGO Inst Hlth & Care Res, Dept Gen Practice, Amsterdam, Netherlands
[6] Univ Ghent, Brussels, Belgium
[7] Vrije Univ Brussel, End Of life Care Res Grp, Brussels, Belgium