Institution: | 1. Department of Upper Gastrointestinal Surgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK;2. Laboratory of Experimental Surgery and Surgical Research, University of Athens, Medical School, Ag. Thoma 15B, Athens 11527, Greece;3. Department of Surgery, Wexford General Hospital, Ireland;4. Department of Surgery, Duke University, Durham, NC, USA;5. First Surgery Department, Laikon General Hospital, National and Kapodistrian University of Athens, Greece |