1 Chronic Respiratory Diseases Research Center, NRITLD, Shahid Beheshti University of Medical Sciences, Tehran, Iran ; Department of Pathology, NRITLD, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2 Department of Pathology, NRITLD, Shahid Beheshti University of Medical Sciences, Tehran, Iran ; Virology Research Center, NRITLD, Shahid Beheshti University of Medical Sciences, Tehran, Iran.