[1] Kings Coll London, Dept Primary Care & Publ Hlth Sci, Kings Patient Safety & Serv Qual Res Ctr, Womens Hlth & Innovat Programme, London SE1 3QD, England
[2] Natl Univ Ireland, Sch Nursing & Midwifery, Galway, Ireland
[3] Sheffield Hallam Univ, Fac Hlth & Wellbeing, Ctr Hlth & Social Care Res, Sheffield S1 1WB, S Yorkshire, England
[4] Univ Montreal, Dept Social & Prevent Med, Montreal, PQ, Canada
[5] Univ Warwick, Hlth Sci Res Inst, Warwick Med Sch, Clin Trials Unit, Warwick, England