[1] ASL Viterbo,Division of General Surgery
[2] University of Cagliari,Department of Surgical Science
[3] Baggiovara General Hospital,Department of General Surgery, Emergency and New Technologies
[4] AOU Modena,General and Mininvasive Surgery Department
[5] Pederzoli Hospital,General Surgery Unit Chirurgia III
[6] Peschiera del Garda,Department of Surgery
[7] ASST Spedali Civili di Brescia,Department of General and Emergency Surgery
[8] Geneva University Hospitals,Department of Medical
[9] Marche Polytechnic University,Surgical Sciences and Translation Medicine, Faculty of Medicine and Psychology
[10] Sapienza University of Rome,Department of Oncology, Laboratory of Methodology of Sistematic Reviews and Guidelines Production
[11] S. Andrea Hospital,undefined
[12] UOC Chirurgia Generale,undefined
[13] Ospedale di Vittorio Veneto,undefined
[14] Istituto di Ricerche Farmacologiche Mario Negri IRCCS.,undefined