1. Research Laboratories, Animal Science Division, Dainippon Pharmaceutical Co., Ltd.
2. Laboratory of Wildlife Medicine, College of Veterinary Medicine, Nippon Veterinary and Animal Science University
3. Laboratory of Medical Zoology, College of Bioresource Sciences, Nihon University
4. Animal Center for Biomedical Research, Faculty of Medicine, The University of Tokyo
5. Department of Parasitology, Teikyo University School of Medicine
6. Department of Veterinary Anatomy, Graduate School of Agricultural and Life Sciences, The University of Tokyo