1. Department of Chest Diseases, Duzce University Medical Faculty, Düzce, Turkey
2. Emergency Department, Ankara Numune State Hospital, Ankara, Turkey
3. Department of Chest Diseases, Ankara University Medical Faculty, Ankara, Turkey
4. Department of Chest Disease, Private Practice, Ankara, Turkey
5. Department of Chest Diseases, Istanbul University Medical Faculty, Istanbul, Turkey
6. Department of Chest Diseases, Pamukkale University Medical Faculty, Denizli, Turkey