[1] Med Univ Vienna, Dept Med 1, Div Palliat Med, Waehringer Guertel 18-20, A-1090 Vienna, Austria
[2] Univ Cambridge, Dept Publ Hlth & Primary care, Primary Care Unit, Palliat & End Life Care Res Grp, Cambridge, England
[3] Univ Hlth Network, Ctr Mental Hlth, Toronto, ON, Canada
[4] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Support Care, Div Psychosocial Oncol, Toronto, ON, Canada
[5] Univ Toronto, Temerty Fac Med, Dept Psychiat, Div Consultat & Liaison Psychiat, Toronto, ON, Canada