1. Neuroscience Research Center, Department of Neurology, Tabriz University of Medical Sciences, Tabriz, Iran
2. Clinical Research Development Unit, Booali Sina Hospital, Qazvin University of Medical Science, Qazvin, Iran
3. Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4. Department of Microbiology and Virology, Tabriz University of Medical Sciences, Tabriz, Iran