[1] Ankara Univ, Fac Med, Dept Chest Dis, Ankara, Turkey
[2] Gazi Univ, Fac Med, Dept Chest Dis, Ankara, Turkey
[3] Ankara Univ, Fac Med, Div Immunol & Allergy, Ankara, Turkey
[4] Sureyyapasa Chest Dis & Chest Surg Training & Res, Clin Chest Dis, Istanbul, Turkey
[5] Istanbul Univ, Istanbul Fac Med, Dept Chest Dis, Istanbul, Turkey
[6] Celal Bayar Univ, Fac Med, Dept Chest Dis, Manisa, Turkey
[7] Adnan Menderes Univ, Fac Med, Dept Chest Dis, Aydin, Turkey
[8] Kocaeli Univ, Fac Med, Dept Chest Dis, Kocaeli, Turkey
[9] Istanbul Univ, Fac Cerrahpasa Med, Dept Chest Dis, Istanbul, Turkey
[10] Ege Univ, Fac Med, Dept Chest Dis, Izmir, Turkey