1. Department of Chest Diseases, School of Medicine, Recep Tayyip Erdoğan University, Rize, Turkey
2. Department of Pulmonary Disease, Faculty of Medicine, Ataturk University, Erzurum, Turkey
3. Department of Biostatistics and Informatics, Ankara University School of Medicine, Ankara, Turkey
4. Department of Pulmonary Disease, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey
5. Department of Allergy and Immunology, Faculty of Medicine, Istanbul Medeniyet University, Istanbul, Turkey
6. Department of Chest Diseases, Faculty of Medicine, Akdeniz University, Antalya, Turkey
7. Department of Immunology and Allergy, University of Health Sciences Sureyyapasa Chest Diseases and Thoracic Surgery Training and Research Hospital, İstanbul, Turkey
8. Department of Pulmonology, Ordu University, Training and Research Hospital, Ordu, Turkey
9. Department of Chest Disease, Division of Immunology and Allergy, Ankara University School of Medicine, Ankara, Turkey
10. Department of Immunology and Allergy, University of Health Sciences, Ankara Ataturk Sanatoryum Training and Research Hospital, Ankara, Turkey
11. Clinic of Immunology and Allergic Diseases, Ankara City hospital, Ankara, Turkey
12. Department of Pulmonary Diseases, Cerrahpaşa Faculty of Medicine, Istanbul University-Cerrahpaşa, Istanbul, Turkey
13. Department of Internal Medicine, Division of Immunology and Allergic Diseases, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
14. Clinic of Allergy and Immunology, University of Health Sciences, Kocaeli Derince Training and Research Hospital, Kocaeli, Turkey
15. Department of Chest Diseases, Division of allergy and Immunology, University of Health Sciences, Dr. Suat Seren Chest Diseases and Surgery Training and Research Hospital, Izmir, Turkey
16. Department of Chest Diseases, Division of allergy and Clinical Immunology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
17. Clinic of Immunology and allergic Diseases, Diyarbakir Gazi Yasargil Training and Research Hospital, Diyarbakır, Turkey
18. Department of Allergy and Immunology, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey
19. Department of Chest Diseases, Division of Allergy and Immunology, School of Medicine, Erciyes University, Kayseri, Turkey
20. Department of Chest Diseases, University of Health Sciences, Yedikule Chest Diseases and Thoracic Surgery Training and Research Hospital, Istanbul, Turkey
21. Clinic of Immunology and Allergy Diseases, Mehmet Akif Inan Training and Research Hospital, Sanliurfa, Turkey
22. Department of Chest Diseases, Faculty of Medicine, Mersin University, Mersin, Turkey
23. Faculty of Medicine, Pulmonary, Immunology and Allergy, Ege University, Izmir, Turkey
24. Faculty of Medicine, Clinic of Immunology and Allergic Diseases, Ankara City Hospital, Ankara Yildirim Beyazit University, Ankara, Turkey
25. Division of Allergy and Immunology, Medicana International Ankara Hospital, Ankara, Turkey
26. Adult Allergy and Immunology Department, American Hospital, Istanbul, Turkey
27. Department of Pulmonary Diseases, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
28. Department of Pulmonary Diseases, School of Medicine, Cyprus International University, Nicosia, Cyprus
29. Clinic of Immunology and Allergic Diseases, Bursa City Hospital, Bursa, Turkey
30. Department of Pulmonary Diseases, School of Medicine, Gazi University, Ankara, Turkey
31. Department of Internal Medicine, Division of Immunology and Allergy, Faculty of Medicine, Baskent University, Ankara, Turkey
32. Department of Pulmonology, School of Medicine, Aydin Adnan Menderes University, Aydin, Turkey
33. Department of Chest Diseases, Division of Immunology and Allergy, Faculty of medicine, Bursa Uludag University, Bursa, Turkey
34. Clinic of Immunologic and Allergic Diseases, Kayseri City Hospital, Kayseri, Turkey
35. Adult Allergy Service, Glenfield Hospital, University Hospitals of Leicester, Leicester, UK
36. Department of Pulmonology, Faculty of Medicine, Ege University, Izmir, Turkey
37. Clinic of Chest Diseases, Mersin City Training and Research Hospital, Mersin, Turkey
38. Department of Pulmonary Medicine, Ondokuz Mayis University, Samsun, Turkey
39. Department of Pulmonology, Faculty of Medicine, Manisa Celal Bayar University, Manisa, Turkey
40. Department of Chest Diseases, School of Medicine, Division of allergy and Immunology, Recep Tayyip Erdogan University, Rize, Turkey
41. Department of Chest Diseases, School of Medicine, Recep Tayyip Erdog˘an University, Rize, Turkey
42. Department of Chest Diseases, School of Medicine, Adult Allergy-Immunology Unit, Biruni University, Istanbul, Turkey
43. Department of Respiratory Medicine, Medical School, Lokman Hekim University, Ankara, Turkey
44. Clinic of Immunology and Allergic Diseases, Izmir Katip Celebi University, Ataturk Training and Research Hospital, Izmir, Turkey
45. Department of Respiratory Diseases, School of Medicine, Dokuz Eylul University, Izmir, Turkey
46. Private Immunology and Allergy Clinic, Istanbul, Turkey
47. Clinic of Immunology and Allergic Diseases, Van Regional Training and Research Hospital, Van, Turkey
48. Department of Ear Nose and Throat, School of Medicine, Hacettepe University, Ankara, Turkey
49. Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Ankara University, Ankara, Turkey
50. Department of Otolaryngology, University of Health Sciences, Etlik City Hospital, Ankara, Turkey
51. Ahmet Emre Suslu Private Ear Nose and Throat Clinic, Ankara, Turkey
52. Department of Otorhinolaryngology, Faculty of Medicine, Lokman Hekim University, Ankara, Turkey