1. Department of Medicine and Surgery, S. Maria Hospital, University of Perugia, 05100 Terni, Italy
2. Department of Digestive and Emergency Surgery, AOSP of Terni, 05100 Terni, Italy
3. Department of Radiology, AOSP of Terni, 05100 Terni, Italy
4. Emergency Department, Policlinico Umberto I, Sapienza University, 00185 Rome, Italy
5. Department of Surgery, Sapienza University, Viale del Policlinico 155, 00161 Rome, Italy
6. General Surgery, Biomedical Institute, 16152 Genoa, Italy
7. School of Law, University of Camerino, 62032 Camerino, Italy
8. Department of Molecular and Translational Medicine, University of Brescia, 25121 Brescia, Italy