1. Department of Cardiovascular Surgery, Yuksek Ihtisas Cardiovascular Hospital, Ankara City Hospital Complex, Ankara, Turkey
2. Department of Cardiovascular Surgery, Erol Olcok Research and Training Hospital, Hitit University, Corum, Turkey
3. Department of Anesthesiology, Ankara City Hospital Complex, University of Health Sciences, Ankara, Turkey
4. Department of Cardiovascular Surgery, Yuksek Ihtisas Cardiovascular Hospital, Ankara City Hospital Complex, University of Health Sciences, Ankara, Turkey