1. Department of Mother and Child Health Research Institute for Clinical Effectiveness and Health Policy (IECS‐CONICET) Buenos Aires Argentina
2. Department of Human Biology Faculty of Health Sciences University of Cape Town Cape Town South Africa
3. Department of Reproductive Health and Research World Health Organization HRP – UNDP, UNFPA, UNICEF, WHO, World Bank Special Programme of Research, Development and Research Training in Human Reproduction Geneva Switzerland
4. Departamento de Salud Universidad Nacional de la Matanza San Justo Argentina