?:authorAffiliation
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[\'Otorhinolaryngology Research Center, Amir Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran.\', \'Department of Otolaryngology - Head and Neck Surgery, Otorhinolaryngology Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.\', \'Otorhinolaryngology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.\', \'Otorhinolaryngology Research Center, Yazd University of Medical Sciences, Yazd, Iran.\', \'Department of Internal Medicine, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.\', \'Infectious and Tropical Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.\', \'Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.\']
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