| Institution: | 1. Department of Gynecology, Martin-Luther-University, Halle an der Saale, Germany;2. Department of Gynecology and Obstetrics, Addis Ababa University, Ethiopia;3. Institute of Medical Epidemiology, Biostatistics and Informatics, Martin-Luther-University, Halle an der Saale, Germany;4. Radiotherapy Center, School of Medicine, Addis Ababa University, Ethiopia;5. Department of Obstetrics, Gynecology and Women's Health, University of Minnesota, Minneapolis, Minnesota, USA;6. American Cancer Society, Atlanta, Georgia, USA |
