Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: igy1981@yahoo.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: drmuratkus@gmail.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: akkapulu@gmail.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: oaytac@gmail.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: drhyabanoglu@gmail.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: ken_caliskan@yahoo.com. Baskent University Adana Teaching and Research Center, Department of General Surgery, Adana, Turkey. Electronic address: eatarim@hotmail.com.