1. Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
2. Department of Parasitology and Mycology, Sari Medical School, Mazandaran University of Medical Sciences, Sari, Iran.
3. Shahroud University of Medical Sciences, Shahroud, Iran.
4. Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
5. Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.