1. University of Ottawa; Department of Obstetrics & Gynecology; Ottawa ON Canada
2. Cochrane; Cochrane Editorial Unit; St Albans House, 57-59 Haymarket London UK SW1Y 4QX
3. Monash University; Australian Satellite of the Cochrane EPOC Group, School of Public Health and Preventative Medicine; Melbourne Victoria Australia VIC 3004
4. Ottawa Hospital Research Institute; Ottawa Canada
5. Canadian Agency for Drugs and Technologies in Health (CADTH); 600-865 Carling Avenue Ottawa ON Canada
6. University of Ottawa; Bruyère Research Institute; 43 Bruyère St Annex E, room 312 Ottawa ON Canada K1N 5C8
7. Ottawa Hospital Research Institute; Clinical Epidemiology Program; The Ottawa Hospital - Civic Campus 1053 Carling Ave, Box 693 Ottawa ON Canada K1Y 4E9
8. Khon Kaen University; Department of Epidemiology and Biostatistics, Faculty of Public Health; 123 Mitraparb Road Amphur Muang Khon Kaen Thailand 40002
9. Austin Health; The University of Melbourne; Olivia Newton John Cancer Research Institute; Department of Paediatrics; Melbourne Victoria Australia
10. University of Melbourne; Department of Pediatrics; Melbourne Victoria Australia
11. Lamphun Hospital; Department of Obstetrics and Gynaecology; 177 Jamthevee Road Lamphun Lamphun Thailand 51000
12. Khon Kaen University; Department of Obstetrics and Gynaecology, Faculty of Medicine; 123 Mitraparb Road Amphur Muang Khon Kaen Thailand 40002
13. Nanyang Technological University; Lee Kong Chian School of Medicine; 11 Mandalay Road Singapore Singapore 308232
14. World Health Organization; UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, Department of Reproductive Health and Research; Geneva Switzerland