1. Department of Thoracic Surgery, Faculty of Medicine, Ataturk University, Erzurum, Turkey
2. Anesthesiology Clinical Research Office, Faculty of Medicine, Ataturk University, Erzurum, Turkey
3. Department of Anesthesiology and Reanimation, Faculty of Medicine, Ataturk University, Erzurum, Turkey
4. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
5. Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
6. Department of Pathology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
7. Department of Bioistatistics, Faculty of Medicine, Ataturk University, Erzurum, Turkey
8. Department of Pulmonary Diseases, Faculty of Medicine, Ataturk University, Erzurum, Turkey
9. Department of Medicinal Biochemistry, Regional Training and Research Hospital, Health Sciences University, Erzurum, Turkey