1. Ellen Leifer Shulman and Steven Shulman Digestive Disease Center Cleveland Clinic Florida Weston Florida USA
2. Department of General Surgery, Faculty of Medicine, Hadassah Medical Organization Hebrew University of Jerusalem Jerusalem Israel
3. Colorectal Surgery Unit, General Surgery Department Mansoura University Hospitals Mansoura Egypt
4. Cleveland Clinic Martin Health at Tradition Health Park Two Cleveland Clinic Florida Port St Lucie Florida USA
5. Department of Surgery and Transplantations, Sheba Medical Center Sheba Tel Hashomer Ramat Gan Israel
6. Department of General Surgery, Shaare Zedek Medical Center, Faculty of Medicine Hebrew University of Jerusalem Jerusalem Israel