1. International Agency for Research on Cancer; Lyon; France
2. Department of Obstetrics and Gynecology; Kenyatta National Hospital; Nairobi; Kenya
3. Department of Pathology; Vrije University Medical Center (VUMC); Amsterdam; The Netherlands
4. Department of Pathology; Aga Khan University Hospital; Nairobi; Kenya
5. Coptic Hope Center; Coptic Hospital; Nairobi; Kenya