1. Division of Pediatric Pulmonology School of Medicine, Marmara University Istanbul Turkey
2. Division of Pediatric Pulmonology School of Medicine, Gazi University Ankara Turkey
3. Division of Pediatric Pulmonology School of Medicine, Hacettepe University Ankara Turkey
4. Department of Pulmonology School of Medicine, Hacettepe University Ankara Turkey
5. Division of Pediatric Pulmonology School of Medicine, Dicle University Diyarbakır Turkey
6. Division of Pediatric Pulmonology Meram Medical Faculty, Necmettin Erbakan University Konya Turkey
7. Division of Pediatric Pulmonology School of Medicine, Erciyes University Kayseri Turkey
8. Division of Pediatric Pulmonology School of Medicine, Bezmi Alem Vakıf University Istanbul Turkey
9. Division of Pediatric Pulmonology Cerrahpasa Medical Faculty, Istanbul University‐Cerrahpasa Istanbul Turkey
10. Division of Pediatric Allergy and Immunology School of Medicine, Cukurova University Adana Turkey
11. Division of Pediatric Pulmonology School of Medicine, Ege University Istanbul Turkey
12. Division of Pediatric Pulmonology School of Medicine, Akdeniz University Istanbul Turkey
13. Mersin State Hospital Mersin Turkey
14. Division of Pediatric Allergy and Immunology School of Medicine, İnonu University Malatya Turkey
15. Division of Pediatric Pulmonology School of Medicine, Medeniyet University Istanbul Turkey
16. Department of Public Health School of Medicine, Marmara University Istanbul Turkey
17. Division of Pediatric Pulmonology School of Medicine, Manisa Celal Bayar University Manisa Turkey