1. Faculty of Veterinary Science, Balkh University, Balkh, Afghanistan
2. Laboratory of Veterinary Anatomy, Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
3. Laboratory of Parasitology, Faculty of Veterinary Medicine, Hokkaido University, Hokkaido, Japan
4. Center for Animal Diseases Control, University of Miyazaki, Miyazaki, Japan