1. Ceramic Physics Laboratory, Kyoto Institute of Technology, Kyoto, Japan
2. Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
3. Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
4. Department of Orthopedic Surgery, Tokyo Medical University, Tokyo, Japan
5. The Center for Advanced Medical Engineering and Informatics, Osaka University, Osaka, Japan