1. Department of Plastic and Reconstructive Surgery, Istanbul Training and Research Hospital, University of Health Sciences, Istanbul, Turkey;
2. Department of Pathology, Ordu University Training and Research Hospital, Ordu, Turkey;
3. Department of Histology and Embryology, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey;
4. Animal Research Laboratory, Bezmialem University Medical School, Istanbul, Turkey;
5. Department of Otorhinolaryngology, Istanbul State Hospital, Catalca, Turkey