1. Department of General Thoracic Surgery and Lung Transplantation, Ankara City Hospital, University of Health Sciences, Ankara, Turkey
2. Department of Cardiovascular Surgery, Yildirim Beyazit University, Ankara, Turkey
3. Department of Cardiovascular Surgery, Ankara City Hospital, University of Health Sciences, Ankara, Turkey
4. Department of Pathology, Ankara City Hospital, University of Health Sciences, Ankara, Turkey