1. Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
2. Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
3. Razi Hospital, Tehran University of Medical Sciences, Tehran 11996 63911, Iran
4. Department of Statistics, Health Faculty, Kashan University of Medical Sciences, Kashan, Iran