[1] UCL, Div Psychiat, Marie Curie Palliat Care Res Dept, London W1W 7EJ, England
[2] Barnet Enfield & Haringey Mental Hlth Trust, North Middlesex Univ Hosp, Liaison Psychiat, London, England
[3] Vrije Univ Amsterdam, Med Ctr, EMGO Inst Hlth & Care Res, Dept Gen Practice & Elderly Care Med, Amsterdam, Netherlands
[4] Univ Hosp Geneva, Dept Community Med Primary Care & Emergency Med, Geneva, Switzerland
[5] Univ Geneva, CH-1211 Geneva 4, Switzerland
[6] Ben Gurion Univ Negev, Family Med Dept, Beer Sheva, Israel
[7] Lincoln Cty Hosp, Peter Hodgkinson Ctr, Lincoln, NE USA
[8] Vrije Univ Brussel VUB, End Of Life Care Res Grp, Dept Family Med & Chron Care, Brussels, Belgium
[9] Univ Ghent, Dept Geriatr Med, B-9000 Ghent, Belgium