Authors’ contributions
All authors contributed to the study conception and design. Material preparation and data collection were performed by Nesibe Zeynep Gökkaya and Ahmet Taşan. Histological analysis was performed by Eda Açıkgöz and Fikret Altındağ. Statical analysis and the first draft of the manuscript was written by Esin Özlek, and all authors commented on the previous versions of the manuscript. All authors read and approved the final manuscript.