1. Pulmonary Diseases Department; Kocaeli University School of Medicine; Kocaeli Turkey
2. Department of Allergy; Ankara University School of Medicine; Ankara Turkey
3. Pulmonary Diseases Department; Istanbul University Cerrahpasa School of Medicine; Istanbul Turkey
4. Pulmonary Diseases Department; Celal Bayar University School of Medicine; Manisa Turkey
5. Pulmonary Diseases Department; Recep Tayyip Erdoğan University School of Medicine; Rize Turkey
6. Department of Allergy; Ataturk Chest Diseases and Thoracic Surgery Research Hospital; Ankara Turkey
7. Pulmonary Diseases Department; Akdeniz University School of Medicine; Antalya Turkey
8. Pulmonary Diseases Department; Gazi University School of Medicine; Ankara Turkey
9. Diyarbakir State Hospital; Diyarbakir Turkey
10. Pulmonary Diseases Department; Dicle University School of Medicine; Diyarbakir Turkey
11. Pulmonary Diseases Department; Firat University School of Medicine; Elazig Turkey
12. Pulmonary Diseases Department; Gaziantep University School of Medicine; Gaziantep Turkey
13. Pulmonary Diseases Department; Bulent Ecevit University School of Medicine; Zonguldak Turkey
14. Department of Allergy; Hacettepe University School of Medicine; Ankara Turkey