1 Department of Biomedical Engineering, The Chinese University of Hong Kong, NT, Hong Kong SAR 999077, China.
2 Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, NT, Hong Kong SAR 999077, China.
3 Tissue Engineering Labs, VA Boston Healthcare System & Department of Orthopedics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
4 School of Biomedical Sciences, The Chinese University of Hong Kong, NT, Hong Kong SAR 999077, China.
5 Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China.
6 Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong, NT, Hong Kong SAR 999077, China.