1. Bioceramics Laboratory; Sree Chitra Tirunal Institute for Medical Sciences and Technology; Thiruvananthapuram; 695 019; Kerala; India
2. Department of Mechanical and Physical Engineering; Faculty of Engineering; Osaka City University; 3-3-138 Sugimoto-cho; Sumiyoshi-ku; Osaka; 558-8585; Japan
3. Department of Materials Science; Faculty of Engineering; Tokai University; Kitakaname 1117; Hiratsuka-Shi 259-1292; Kanagawa-Ken; Japan