1. Department of Preventive Medicine, School of Public Health, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
2. Institute of Medical Epidemiology, Biostatistics and Informatics, Martin-Luther-University, Halle (Saale), Germany
3. Department of Pediatrics and Child Health, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
4. Medical Faculty of the Martin-Luther-University Halle-Wittenberg, Institute for General Practice and Family Medicine, Halle (Saale), Germany
5. Department of Gynecology, Martin-Luther-University, Halle (Saale), Germany
6. University of Michigan, School of Social Work, Ann Arbor, MI, USA
7. Department of Psychiatry, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia