ceren sen tanrikulu department of emergency medicine, ministry of health, erzurum area training and research hospital, erzurum, turkey yusuf tanrikulu department of general surgery, ministry of health, erzurum area training and research hospital, erzurum, turkey; department of general surgery, ministry of health, erzurum area training and research hospital, erzurum, turkey. tel: +90-5056579709, fax: +90-4422325090 mehmet zafer sabuncuoglu department of general surgery, faculty of medicine, suleyman demirel university, isparta, turkey mehmet akif karamercan department of emergency medicine, faculty of medicine, gazi university, ankara, turkey nezih akkapulu department of general surgery, ministry of health, mus state hospital, mus, turkey figen coskun department of chair of emergency medicine, ankara training and research hospital, ministry of health, ankara, turkey

Ozcan Ozdemir Mustafa Soylu Omer Alyan Bilal Geyik Ahmet Duran Demir Dursun Aras Gökhan Cihan Göksel Cagirci Fehmi Kacmaz Yücel Balbay Hatice Sasmaz Sule Korkmaz