[1] Univ Southampton, Sch Nursing & Midwifery, Southampton SO17 1BJ, Hants, England
[2] NCRI Consumer Liaison Grp, London, England
[3] Univ Lancaster, Observ End Life Care, Lancaster, England
[4] Univ Liverpool, Sch Populat, Community & Behav Sci, Liverpool, Merseyside, England
[5] Univ Manchester, Sch Nursing, Midwifery & Social Work, Manchester, Lancs, England
[6] Univ Nottingham, Sch Nursing, Nottingham, England