1. Department of Pulmonary Diseases; Cerrahpasa Medical Faculty; Istanbul University; İstanbul Turkey
2. Istanbul Medical Faculty; Department of Pulmonary Diseases; Istanbul University; İstanbul Turkey
3. Medical Faculty Chest Diseases Department; Uludag University; Bursa Turkey
4. Department of Chest Diseases; Faculty of Medicine; Atatürk University; Erzurum Turkey
5. Yedikule Chest Diseases and Chest Surgery Education and Research Hospital; İstanbul Turkey
6. Department of Pulmonary Diseases; Dokuz Eylul University, Medical Faculty; İzmir Turkey
7. ureyyapasa Chest Diseases and Thoracic Surgery Education and Research Hospital; Istanbul Turkey
8. Department of Pulmonary Medicine; Gazi University School of Medicine; Ankara Turkey