1. Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
2. Department of Pathology, School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran
3. School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran
4. Department of Community medicine, School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran
5. Department of Nephrology, School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran
6. Department of infectious disease, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran