[1] European Inst Oncol IRCCS, IEO, Via Ripamonti 435, I-20141 Milan, Italy
[2] Univ Manchester, Sch Hlth Sci, Div Nursing Midwifery & Social Work, Oxford Rd, Manchester, Lancs, England
[3] Greater Manchester Mental Hlth NHS Fdn Trust, Bury New Rd, Manchester, Lancs, England