1. Department of Chest Diseases, İstanbul University-Cerrahpaşa, Cerrahpasa School of Medicine, İstanbul, Turkey
2. Department of Pulmonary Diseases, Division of Allerrgy and Immunology, Ankara University School of Medicine, Ankara, Turkey
3. Department of Pulmonary Diseases, Kocaeli University School of Medicine, Kocaeli, Turkey
4. Department of Pulmonary Diseases, Adnan Menderes University School of Medicine, Aydın, Turkey
5. Department of Pulmonary Diseases, Mersin University School of Medicine, Mersin, Turkey
6. Ataturk Chest Diseases and Thoracic Surgery Education and Research Hospital, Ankara-Turkey
7. Süreyyapasa Chest Diseases and Thoracic Surgery Education and Research Hospital, İstanbul, Turkey
8. Yedikule Chest Diseases and Thoracic Surgery Education and Research Hospital, İstanbul, Turkey
9. Department of Pulmonary Diseases, Cumhuriyet University School of Medicine, Sivas, Turkey
10. Department of Pulmonary Diseases, Dokuz Eylül University School of Medicine, İzmir, Turkey
11. Department of Internal Medicine, Division of Allergy and Immunology, Recep Tayip Erdoğan University School of Medicine, Rize, Turkey
12. Department of Pulmonary Diseases, Division of Allerrgy and Immunology, Ege University School of Medicine, İzmir, Turkey
13. Dışkapı Yıldırım Beyazıt Education and Research Hospital, Ankara, Turkey
14. Department of Pulmonary Diseases, İstanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, İstanbul, Turkey
15. Department of Biostatistics, Beykent University, İstanbul, Turkey