Department of Physical Medicine & Rehabilitation and Department of Bioengineering, Clinical and Translational Science Institute, University of Pittsburgh, PA 15213, USA. E-mail: wangwei3{at}pitt.edu
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Science Translational Medicine 16 Nov 2011: Vol. 3, Issue 109, pp. 109ec187 DOI: 10.1126/scitranslmed.3003417
Department of Physical Medicine & Rehabilitation and Department of Bioengineering, Clinical and Translational Science Institute, University of Pittsburgh, PA 15213, USA. E-mail: wangwei3{at}pitt.edu