1. Department of Natural Resources School of Environment University of Tehran Tehran Iran
2. Department of Medical Entomology & Vector Control School of Public Health Tehran University of Medical Sciences Tehran Iran
3. Center for Communicable Diseases Control Ministry of Health and Medical Education Tehran Iran
4. Department of Health Behavior Research University of North Texas Health Science Center Fort Worth TX USA
5. Department of Biostatistics and Epidemiology University of North Texas Health Science Center Fort Worth TX USA
6. Zoonoses Research Center Tehran University of Medical Sciences Tehran Iran