1. Preventive Gynaecology Unit, European Institute of Oncology, IRCCS, Milan, Italy
2. Unit of Day and Ambulatory Surgery, European Institute of Oncology, Milan, Italy;
3. Centro di Ricerche e Studi in Management Sanitario, Università Cattolica del Sacro Cuore, Milan, Italy
4. Department of Obstetrics and Gynecology, University of Cagliari, Cagliari, Italy
5. Quality and Accreditation Service, European Institute of Oncology, Milan, Italy
6. Department of Gynaecology - European Institute of Oncology, Milan, Italy
7. Department of Gynaecology - UNIMIB, Bicocca University, Monza, Italy