1. AİBÜ İzzet Baysal Education and Research Hospital, Anesthesiology and Reanimation, Bolu, Turkey
2. AİBÜ İzzet Baysal Physical Medicine and Rehabilitation Education and Research Hospital, Physical Medicine and Rehabilitation, Bolu, Turkey
3. AİBÜ İzzet Baysal Education and Research Hospital, Thoracic Surgery, Bolu, Turkey