University of Birmingham, World Health Organization (WHO), University of Birmingham, Canadian University Dubai, University of Birmingham, University of Birmingham, Bayero University, Muhimbili University of Health and Allied Sciences, University of Nairobi, University of the Witwatersrand/Fort Hare - Effective Care Research Unit, KwaZulu-Natal Department of Health, University of Cape Town (UCT), University of Birmingham, World Health Organization (WHO) - UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, University of Birmingham, CIBER de Epidemiología y Salud Pública (CIBERESP) - Clinical Biostatistics Unit and University of Birmingham

University of Birmingham, University of Birmingham, University of Birmingham, World Health Organization (WHO), University of Birmingham, University of Birmingham, University of Birmingham, Bayero University, Muhimbili University of Health and Allied Sciences, University of Nairobi, University of the Witwatersrand/Fort Hare - Effective Care Research Unit, KwaZulu-Natal Department of Health, University of Cape Town (UCT), University of Birmingham, University of Birmingham and University of Birmingham