1. Kyoto Institute of Technology, Ceramic Physics Laboratory, Sakyo-ku, Matsugasaki, Kyoto 606-8126, JapanbLoma Linda University, Department of Orthopedic Research, Department of Orthopaedics, 11406 Loma Linda Drive, Suite 606 Loma Linda, California 92354, U
2. Kyoto Institute of Technology, Ceramic Physics Laboratory, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan
3. Kyoto Prefectural University of Medicine, Department of Forensic Medicine, Kamigyo-ku, 465 Kajii-cho, Kawaramachi dori, Kyoto 602-0841, Japan
4. Kyoto Prefectural University of Medicine, Department of Molecular Cell Physiology, Graduate School of Medical Science, Kamigyo-ku, 465 Kajii-cho, Kawaramachi dori, Kyoto 602-0841, Japan
5. Osaka University, Department of Medical Engineering for Treatment of Bone and Joint Disorders, 2-2 Yamadaoka, Suita, Osaka 565-0854, Japan