2 St Ann's Hospice (L.K., J.P., A.P., S.C., S.K., L.A.H.), Cheadle, Cheshire, UK; Department of Palliative Care (J.P., S.K.), Manchester University NHS Foundation Trust, Wythenshaw Hospital, Manchester, UK.
3 St Ann's Hospice (L.K., J.P., A.P., S.C., S.K., L.A.H.), Cheadle, Cheshire, UK; Cicely Saunders Institute (L.A.H.), Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, UK. Electronic address: lahenson@sah.org.uk.