[1] Univ Ghent, Int Ctr Reprod Hlth, Ghent, Belgium
[2] Univ Witwatersrand, MatCH Res Unit, Durban, South Africa
[3] Ashodaya Samithi, Mysore, Karnataka, India
[4] Int Ctr Reprod Hlth Kenya, Mombasa, Kenya
[5] Int Ctr Reprod Hlth Mozambique, Maputo, Mozambique
[6] UCL, Inst Global Hlth, London, England
[7] Univ Nairobi, Nairobi, Kenya
[8] Univ Manitoba, Winnipeg, MB, Canada
[9] Univ KwaZulu Natal, Coll Hlth Sci, Discipline Pharmaceut Sci, Durban, South Africa
[10] Univ Witwatersrand, Wits Reprod Hlth & HIV Inst, Fac Hlth Sci, Johannesburg, South Africa
[11] Univ Stellenbosch, South African DST NRF Ctr Excellence Epidemiol Mo, Stellenbosch, South Africa
[12] Hasselt Univ, Ctr Stat, Diepenbeek, Belgium