1. Independent Researcher; Yangon Myanmar
2. University of Public Health; Ministry of Health; Yangon Myanmar
3. Department of Public Health; Ministry of Health; Naypyitaw Myanmar
4. Department of Epidemiology and Biostatistics, Faculty of Public Health; Khon Kaen University; Khon Kaen Thailand
5. Department of Obstetrics and Gynaecology, Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand
6. Maternal and Reproductive Health Program; Department of Public Health; Naypyitaw Myanmar
7. Department of Medical Research; Ministry of Health; Yangon Myanmar
8. Cochrane Thailand; Khon Kaen University; Khon Kaen Thailand