[1] Univ Oxford, Dept Psychiat, Oxford OX3 7JX, England
[2] Univ Oxford, Nuffield Dept Womens & Reprod Hlth, Oxford, England
[3] Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Oxford, England
[4] Univ Witwatersrand, Fac Hlth Sci, Sch Publ Hlth, Johannesburg, South Africa
[5] Univ Witwatersrand, Fac Hlth Sci, Sch Clin Med, Dept Paediat, Johannesburg, South Africa
[6] Univ Bath, Dept Psychol, Bath, Avon, England
[7] Human Sci Res Council, Johannesburg, South Africa
[8] Oxford Univ Hosp NHS Fdn Trust, Oxford, England
[9] Helen & Douglas House, Oxford, England
[10] Inst Hlth & Wellbeing, Glasgow, Lanark, Scotland
[11] Univ Glasgow, Glasgow, Lanark, Scotland
[12] Royal Hosp Children, Glasgow, Lanark, Scotland
[13] Harvard TH Chan Sch Publ Hlth, Boston, MA USA
[14] Boston Coll, Boston, MA USA
[15] UCL Great Ormond St Inst Child Hlth, London, England
[16] South Canterbury Dist Hlth Board, Timaru, New Zealand
[17] UCL Canc Inst, London, England
[18] UNICEF, Commun & Children Difficult Circumstances, New York, NY USA
[19] Sir Michael Sobell House, Oxford, England
[20] Univ Witwatersrand, Johannesburg, South Africa