1. Department of General Surgery, Faculty of Medicine, Bezmialem Vakif University, Vatan Street, Fatih, 34093 Istanbul, Turkey
2. Department of Pediatric Surgery, Faculty of Medicine, Bezmialem Vakif University, Vatan Street, Fatih, 34093 Istanbul, Turkey
3. Department of General Surgery, Liv Hospital Ulus, Istinye University, Besiktas, 34340 Istanbul, Turkey