abolghasem daneshvar kakhaki tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran kian khodadad chronic diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran saviz pejhan tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran; tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2127121000, fax: +98-2126109484 shirin karimi mycobacteriology research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences tehran, ir iran mehrdad arab tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran reza saghebi tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, ir iran

مریم حافظی, محمدرضا کازرونیان,