1. Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
2. Department of Paediatrics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3. Microbiology Group, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
4. Department of Microbiology, School of Medicine, Ahvaz Jondi-Shapour University of Medical Sciences, Ahvaz, Iran
5. Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran