[1] Martin-Luther-University,Department of Gynecology and Institute of Clinical Epidemiology
[2] Addis-Ababa-University,Radiotherapy Center
[3] American Cancer Society,Department of Gynecology
[4] Martin-Luther-University,Institute of Clinical Epidemiology
[5] Axios International,Department of Pathology
[6] Martin-Luther-University,Department of Epidemiology
[7] Addis-Ababa-University,undefined
[8] Boston University,undefined
[9] School of Public Health,undefined