1. Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
2. Department Hematology and Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
3. Faculty of Medicine, University of Chile, Santiago, Chile
4. Gynecologic Oncology Unit, Hospital Gustavo Fricke, Viña del Mar, Chile
5. Department of Physiological Sciences, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile