1. Department of Midwifery, School of Nursing & Midwifery, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
2. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
3. Department of Oncology, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
4. Department of Preventive Medicine, School of Public Health, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
5. College of Developmental Study, Center for Population Studies, Addis Ababa University, Addis Ababa, Ethiopia