Affiliation: | 1. Emergency and General Surgery Department, CA Pizzardi Maggiore Hospital, Bologna Local Health District, Bologna, Italy;2. Emergency and Trauma Surgery Department, Maggiore Hospital of Parma, Parma, Italy;3. General and Emergency and Trauma Surgery, I Unit, Ospedali Riuniti, Bergamo, Italy;4. Upper GI Surgery Unit, Frenchay Hospital, North Bristol NHS Trust, Bristol, UK;1. Department of Surgery, University of Washington Medical Center, Seattle, WA;2. Department of Surgery, Virginia Mason Medical Center, Seattle, WA;3. Department of Surgery, Madigan Army Medical Center, Tacoma, WA;4. Department of General and Vascular Surgery, Providence Medical Center, Everett, WA;1. Division of Trauma, Department of Surgery, Surgical Critical Care, and Emergency Surgery, University of Iowa Hospitals and Clinics, Iowa City, IA;2. Department of Surgery, HeathPartners Medical Group, St. Paul, MN;3. Department of Trauma Surgery, University of Minnesota Medical Center, Minneapolis, MN |