1. Department of Surgery, Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN 55905, USA
2. Department of Surgery, Meir Medical Center, Faculty of Medicine, Tel Aviv University, Kfar Saba 4428164, Israel
3. Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, MN 55905, USA
4. Department of Surgery and Transplantation, Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Kfar Saba 4428164, Israel