[1] Univ Westminster, Sch Life Sci, Dept Appl & Mol Biosci, London W1W 6UW, England
[2] Univ Westminster, Sch Life Sci, Dept Biomed Sci, London W1W 6UW, England
[3] Univ Southampton, NCATS, Southampton SO17 1BJ, Hants, England
[4] UCL, UCL Eastman Dent Inst, Div Biomat & Tissue Engn, London WC1X 8LD, England
[5] Dankook Univ, WCU Res Ctr Nanobiomed Sci, Cheonan Si 330714, Chungnam, South Korea
[6] Univ Erlangen Nurnberg, Inst Biomat, Dept Mat Sci & Engn, D-91058 Erlangen, Germany