1. Department of Parasitology and Mycology, School of Medicine, Zanjan University of Medical Sciences , 45331 Zanjan , Iran
2. Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences , 1701706 Tehran , Iran
3. Department of Medical Parasitology, Sarab Faculty of Medical Sciences, 54731 Sarab, East Azerbaijan, Iran