[1] Univ Bristol, Sch Populat Hlth Sci, Bristol Med Sch, Bristol, Avon, England
[2] Southmead Hosp, Dept Women & Childrens Hlth, Chilterns, Bristol, Avon, England
[3] Comenius Univ, Univ Hosp Bratislava, Dept Obstet & Gynaecol, Fac Med, Bratislava, Slovakia
[4] North Bristol NHS Trust, Southmead Hosp, Lib & Knowledge Serv, Bristol, Avon, England
[5] Int Stillbirth Alliance, Bristol, Avon, England
[6] London Sch Hyg & Trop Med, London, England
[7] Univ Queensland, Mater Res Inst, Ctr Res Excellence Stillbirth, South Brisbane, Qld, Australia
[8] Univ Michigan, Dept Med, Dept Obstet & Gynecol, Ann Arbor, MI 48109 USA
[9] La Trobe Univ, Bundoora, Vic, Australia
[10] Univ Manchester, Sch Nursing Midwifery & Social Work, Manchester, Lancs, England