1. School of Public Health, Department of Preventive Medicine Addis Ababa University Addis Ababa Ethiopia
2. Department of Public Health Mizan Aman College of Health Sciences Bench Maji Ethiopia
3. Institute of Medical Epidemiology, Biostatistics and Informatics Martin‐Luther‐University Halle Germany
4. Department of Gynaecology Martin‐Luther‐University Halle Germany