1. Department of General Surgery, Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
2. Department of General Surgery, Bagcilar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
3. Department of General Surgery, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
4. Department of General Surgery, Istanbul Kolan Hospital, Istanbul, Turkey
5. Department of General Surgery, Bezmialem Vakif University Faculty of Medicine, Istanbul, Turkey
6. Department of Anesthesia and Reanimation, Acibadem Taksim Hospital, Istanbul, Turkey
7. Department of General Surgery, Istanbul Medical Faculty, University of Istanbul, Istanbul, Turkey