1. Section of Colorectal Surgery Department of Surgery Westchester Medical Center New York Medical College Valhalla New York USA
2. Department of Translational Research and New Technologies in Medicine and Surgery University of Pisa Italy
3. Department of General Surgery Yeditepe University Hospital Istanbul Turkey
4. Department of Surgery Geisinger Medical Center Geisinger Commonwealth School of Medicine Danville PA USA
5. Department of General Surgery Atakent Hospital Acibadem University Istanbul Turkey