1. School of Physical Education, China University of Geosciences, Wuhan, P.R. China.
2. Department of Biomedical Engineering, Wuhan University School of Basic Medical Sciences, Wuhan, P.R. China.
3. Department of Stomatology, Handan Central Hospital, Handan, P.R. China.
4. Department of Biomedical Engineering, City University of Hong Kong, Hong Kong SAR, P.R. China.
5. Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, P.R. China.