1. Ceramic Physics Laboratory
2. Kyoto Institute of Technology
3. Sakyo-ku
4. Matsugasaki
5. 606-8585 Kyoto
6. Department of Materials Science and Engineering
7. Shanghai University
8. Shanghai
9. P. R. China
10. Department of Medical Engineering for Treatment of Bone and Joint Disorders
11. Osaka University
12. 565-0854 Osaka
13. Japan