title: A 54 -year-old man with cough and dyspnea.
authors.affiliation: Chronic Respiratory Diseases Research Center, NRITLD, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran-Iran.
authors.forename: Guitti
authors.initials: G
authors.lastname: Pourdowlat
authors.affiliation: Lung Transplantation Research Center, NRITLD, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran-Iran ; Department of Internal Medicine, Division of Infectious Disease and Clinical Immunology, NRITLD, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran-Iran.
authors.forename: Davood
authors.initials: D
authors.lastname: Mansouri