Silvio Caldas Neto Fábio José Delgado Lessa Gabriel Alves Nelson Caldas

Wentao Guo Xiaohui Bai Yuechen Han Lei Xu Wenwen Liu Guodong Zhang Jianfeng Li Zhaomin Fan Haibo Wang

nader saki department of otolaryngology, head and neck surgery, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mojtaba jahani department of otolaryngology, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran alireza samarbaf department of virology, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran gholam abbas kaydani department of otolaryngology, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran soheila nikakhlagh department of infectious diseases, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of infectious diseases, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6133738283, fax: +98-6132921838 malek kenani department of pathology, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

Asieh Darabifard Fariborz Salehe Nader Saki, Soheila Nikakhlagh,

behrouz barati department of otorhinolaryngology and head and neck surgery, shahid beheshti university of medical sciences, tehran, iran. seyed mostafa hashemi department of otorhinolaryngology and head and neck surgery, isfahan university of medical sciences, isfahan, iran.