1. Department of Pediatric Pulmonology Gazi University Faculty of Medicine Ankara Turkey
2. Department of Pediatric Pulmonology Gaziantep Cengiz Gokcek Maternity and Children Hospital Gaziantep Turkey
3. Department of Pediatric Pulmonology Hacettepe University Faculty of Medicine Ankara Turkey
4. Department of Pediatric Pulmonology Necmettin Erbakan University Meram Medicine Faculty Konya Turkey
5. Department of Pediatrics Necmettin Erbakan University Meram Medicine Faculty Konya Turkey
6. Department of Pediatric Pulmonology Erciyes University Faculty of Medicine Kayseri Turkey
7. Department of Pediatrics Gazi University Faculty of Medicine Ankara Turkey
8. Department of Medical Education Gazi University Faculty of Medicine Ankara Turkey