1. Early Detection & Prevention Section – Screening Group, International Agency for Research on Cancer (WHO-IARC), 150 Cours Albert Thomas, 69372 Lyon Cedex 08, France.
2. Baghdad University Medical College, National Cancer Research Center, Iraqi National Cancer Research Program, Baghdad, Iraq
3. Department of Obstetrics & Gynaecology, University of Cape Town, H45 Old Main Building, Groote Schuur Hospital, Observatory 7925, Cape Town, South Africa