1. Institute of Biomedical Engineering National Tsing Hua University Hsinchu 30013 Taiwan
2. Institute for Tissue Engineering and Regenerative Medicine The Chinese University of Hong Kong Shatin Hong Kong
3. School of Biomedical Sciences Faculty of Medicine The Chinese University of Hong Kong Shatin Hong Kong
4. Interdisciplinary Program of Life Science National Tsing Hua University Hsinchu 30013 Taiwan
5. Department of Orthopaedics and Traumatology Faculty of Medicine The Chinese University of Hong Kong Shatin Hong Kong