1. Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
2. Central Laboratory of the province, Tabriz University of Medical Sciences, Tabriz, Iran.
3. Razi Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
4. Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
5. Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran .