1. Department of General Surgery, Kahramanmaraş Necip Fazıl City Hospital, Kahramanmaraş, Türkiye,
2. Department of General Surgery, Bursa Yüksek Ihtisas Training and Research Hospital, Bursa Türkiye
3. Department of General Surgery, Private Bursa Hayat Hospital, Bursa Türkiye
4. Department of Biostatistics, Hatay Mustafa Kemal University, School of Medicine, Hatay, Türkiye