Khon Kaen University - Khon Kaen Hospital, Khon Kaen University - Department of Obstetrics and Gynaecology, Khon Kaen University - Department of Obstetrics and Gynaecology, Khon Kaen University - Faculty of Medicine, Khon Kaen University - Department of Obstetrics and Gynaecology, Kalasin Hospital, Lamphun Hospital, Khon Kaen University - Faculty of Medicine and Khon Kaen University - Department of Obstetrics and Gynaecology

University of Melbourne, Muhimbili University of Health and Allied Sciences, Karnataka Medical College and Research Institute, Hospital Management Board, Muhimbili University of Health and Allied Sciences, Fundación Valle del Lili, Universidad ICESI - Department of Obstetrics and GynecologyFundación Valle del Lili, Bayero University, Muhammad Abdullahi Wase Teaching Hospital, Jawaharlal Nehru Medical College and Hospital, University of Nairobi, Khon Kaen University - Department of Obstetrics and Gynaecology, Khon Kaen University - Department of Obstetrics and Gynaecology, Khon Kaen University - Department of Obstetrics and Gynaecology, Khon Kaen University - Department of Obstetrics and Gynaecology, Aminu Kano Teaching Hospital, Fundación Valle del Lili, University of Nairobi, University of Nairobi, Jawaharlal Nehru Medical College and Hospital, University of Nairobi, Fundación Valle del Lili, University of Melbourne, Jawaharlal Nehru Medical College and Hospital, World Health Organization (WHO) - UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Burnet Institute, University of Oxford, World Health Organization (WHO) and World Health Organization (WHO) - UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction