[1] Vrije Univ Brussel VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium
[2] Univ Ghent, End life Care Res Grp, Laarbeeklaan 103, B-1090 Brussels, Belgium
[3] Univ Ghent, Dept Publ Hlth & Primary Care, C Heymanslaan 10, B-9000 Ghent, Belgium
[4] Vrije Univ Brussel VUB, Dept Family Med & Chron Care, Laarbeeklaan 103, B-1090 Brussels, Belgium
[5] Univ Michigan, Sch Nursing, Ann Arbor, MI USA
[6] Univ Copenhagen, Dept Publ Hlth, Copenhagen, Denmark
[7] Bispebjerg & Frederiksberg Hosp, Palliat Care Res Unit, Copenhagen, Denmark
[8] Univ Coll Dublin, Natl Univ Ireland Dublin, Dublin, Ireland
[9] Azienda USL, Sci Directorate, IRCCS Reggio Emilia, Reggio Emilia, Italy
[10] Erasmus MC, Univ Med Ctr, Rotterdam, Netherlands
[11] Queens Univ Belfast, Sch Nursing & Midwifery, Belfast, North Ireland
[12] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehabil, London, England
[13] Ghent Univ Hosp, Dept Med Oncol, C Heymanslaan 10, B-9000 Ghent, Belgium
[14] St Vincents Hosp, Ctr Palliat Care, Melbourne, Australia
[15] Univ Melbourne, Ctr Palliat Care, Melbourne, Australia
[16] Univ Ghent, End Life Care Res Grp, Corneel Heymanslaan, B-9000 Ghent, Belgium
[17] Vrije Univ Brussel, Corneel Heymanslaan, B-9000 Ghent, Belgium