Departments of Physical Medicine & Rehabilitation and 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 01 Jun 2011: Vol. 3, Issue 85, pp. 85ec83 DOI: 10.1126/scitranslmed.3002690
Departments of Physical Medicine & Rehabilitation and Bioengineering, Clinical and Translational Science Institute, University of Pittsburgh, PA 15213, USA. E-mail: wangwei3{at}pitt.edu