1. Laboratory of Laboratory Animal Science and Medicine, Department of Disease Control, Hokkaido University
2. Section of Biological Safety Research, Chitose Laboratory, Japan Food Research Laboratories
3. Biomaterials Center, National Institute for Materials Science
4. Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology
5. Laboratory of Pharmacology, Department of Biomedical Sciences, Graduate School of Veterinary Medicine, Hokkaido University