1. Department of Gynecologic Oncology, Instituto Nacional de Cancerologia, 14080 Mèxico, Mexico
2. Department of Pathology, Instituto Nacional de Cancerologia, 14080 Mèxico, Mexico
3. Department of Surgery, Instituto Nacional de Cancerologia, 14080 Mèxico, Mexico
4. Department of Medical Oncology, Instituto Nacional de Cancerologia, 14080 Mèxico, Mexico