Hossein Bannazadeh Baghi1, Ahad Bazmani2, Mohammad Aghazadeh3. 1. Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, PO Box 5165665931, Tabriz, Iran. Electronic address: hbannazadeh@tbzmed.ac.ir. 2. Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, PO Box 5165665931, Tabriz, Iran. 3. Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.