title: Author reply to the editor.
authors.affiliation: Department of Pulmonary Medicine, Istanbul Yedikule Chest Diseases and Thoracic Surgery Education and Research Hospital, Zeytinburnu, Istanbul, Turkey. E-mail: snmkaraosman@gmail.com.
authors.forename: Sinem
authors.initials: S
authors.lastname: Iliaz
authors.affiliation: Department of Internal Medicine, Istanbul University Istanbul Medical Faculty, Fatih, Istanbul, Turkey.
authors.forename: Raim
authors.initials: R
authors.lastname: Iliaz