| Affiliation: | 1.American College of Surgeons,Chicago,USA;2.Department of Medical and Surgical Sciences and Translational Medicine, St. Andrea University Hospital,Sapienza University of Rome,Rome,Italy;3.Department of Surgery,University of Thessaloniki,Thessaloniki,Greece;4.Department of Surgery,University of Buenos Aires “Dr. Carlos A. Bocalandro” Hospital,Buenos Aires,Argentina;5.Department of Surgery,Massachusetts General Hospital, Harvard Medical School,Boston,USA;6.Department of Surgery,University of Colorado School of Medicine,Aurora,USA;7.MedStar Georgetown University Hospital,Washington,USA;8.Department of Surgery,University of Chicago Medicine,Chicago,USA;9.Department of Surgery, Massachusetts General Hospital,Harvard Medical School,Boston,USA |
