1. Department of Colorectal Surgery, Liv Hospital Ulus, Istanbul, Turkey.
2. Department of General Surgery, Dokuz Eylul University, Izmir, Turkey.
3. Department of Infectious Diseases and Clinical Microbiology, Dokuz Eylul University, Izmir, Turkey.
4. Department of Radiology, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.