title: Reply.
authors.affiliation: Department of Pulmonary Medicine, Istanbul Bilim University Faculty of Medicine; Sisli Florence Nightingale Hospital, Abidei Hurriyet cad No. 164, Istanbul, Turkey 34300. Electronic address: leventdalar@gmail.com.
authors.forename: Levent
authors.initials: L
authors.lastname: Dalar
authors.affiliation: Department of Pulmonary and Critical Care Medicine, Karadeniz Technical University Faculty of Medicine, Department of Pulmonary and Critical Care Medicine, Trabzon, Turkey.
authors.forename: Yasin
authors.initials: Y
authors.lastname: Abul
authors.affiliation: Interventional Pulmonology Unit, Yedikule Thoracic Diseases and Thoracic Surgery Hospital, Istanbul, Turkey.
authors.forename: Cengiz
authors.initials: C
authors.lastname: Özdemir