1. Department of Midwifery, Woldia University, Woldia, Ethiopia;
2. Department of Obstetrics and Gynecology, Hawassa University, Hawassa, Ethiopia;
3. Department of Midwifery, Hawassa University, Hawassa, Ethiopia;
4. Department of Public Health, Woldia University, Woldia, Ethiopia;
5. School of Public and Environmental Health, Hawassa University, Hawassa, Ethiopia;
6. Faculty of Medicine, The University of Queensland, Brisbane, Australia;
7. Maternal and Child Wellbeing Unit, African Population and Health Research Centre, Nairobi, Kenya