1. Department and of Surgical, General and Upper GI Surgery Division, Odontostomatologic, Maternal and Child Sciences , University of Verona , Verona , Italy
2. Department of Surgery , San Raffaele Hospital, San Raffaele Vita-salute University , Milan , Italy
3. Digestive Surgery , European Institute of Oncology , Milan , Italy
4. Department of Surgery , Siena University Hospital, University of Siena , Siena , Italy
5. Surgical Unit of Peritoneum and Retroperitoneum Surgery , Fondazione Policlinico Universitario A. Gemelli, IRCCS , Rome , Italy
6. Peritoneal Surface Malignancy and Soft Tissue Sarcoma Program , University of Messina , Messina , Italy
7. General and Emergency Surgery , Santa Maria Della Misericordia Hospital, University of Perugia , Perugia , Italy
8. Department of Diagnostic and Public Health, Unit of Epidemiology and Medical Statistics , University of Verona , Verona , Italy
9. Department of Oncology , University of Verona , Verona , Italy