1. Medical Oncology Unit, Casa di Cura Torina, 90145 Palermo, Italy
2. Department of Clinical and Experimental Medicine, University of Catania, 95124 Catania, Italy
3. Medical Oncology Unit, Ospedale Umberto I, 94100 Enna, Italy
4. Medical Oncology Unit, Policlinico P. Giaccone, University of Palermo, 90133 Palermo, Italy
5. Occupational Health Section, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90133 Palermo, Italy
6. Gynecology Unit, Ospedale Cannizzaro, 95126 Catania, Italy
7. Gynecology, Faculty of Medicine and Surgery, University of Enna Kore, 94100 Enna, Italy
8. Gynecology, University of Palermo, 90133 Palermo, Italy
9. Gynecology Unit, Ospedale Paternò Arezzo, 97100 Ragusa, Italy
10. Medical Oncology, University of Catania, 95124 Catania, Italy
11. Medical Oncology, Istituto Clinico Humanitas, 95045 Catania, Italy
12. Medical Oncology, Faculty of Medicine and Surgery, University of Enna Kore, 94100 Enna, Italy
13. Medical Oncology Unit, Ospedale Cannizzaro, 95126 Catania, Italy