1. Department of General Surgery, Hınıs Şehit Yavuz Yürekseven State Hospital, Erzurum, Turkiye.
2. Department of General Surgery, Koç University School of Medicine, Istanbul, Turkiye.
3. Department of General Surgery, Sancaktepe Sehit Prof. Dr. Ilhan Varank Research and Education Hospital, Istanbul, Turkiye.