[1] Ege Univ, Fac Med, Chest Dis, Izmir, Turkey
[2] Izmir Dr Suat Seren Chest Dis & Thorac Surg Train, Chest Dis, Izmir, Turkey
[3] Celal Bayar Univ, Fac Med, Publ Hlth, Manisa, Turkey
[4] Celal Bayar Univ, Chest Dis, Fac Med, Manisa, Turkey
[5] Trakya Univ, Chest Dis, Fac Med, Edirne, Turkey
[6] Pamukkale Univ, Fac Med, Chest Dis, Denizli, Turkey