作者单位:UCL, Marie Curie Palliat Care Res Dept, Div Psychiat, London, England[1]UCL, UCL EGA Inst Womens Hlth, London, England[2]UCL, Res Dept Primary Care & Populat Hlth, London, England[3]Univ Toronto, Univ Hlth Network, Princess Margaret Canc Ctr, Dept Support Care, Toronto, ON, Canada[4]