1. Department of Physical Medicine and Rehabilitation University of Virginia Charlottesville Virginia USA
2. Department of Physical Medicine and Rehabilitation University of Pittsburgh Pittsburgh Pennsylvania USA
3. Department of Physical Medicine and Rehabilitation Sunnyview Rehabilitation Hospital Schenectady New York USA
4. Sunnyview Research Institute St. Peter's Health Partners Albany New York USA
5. Department of Neuroscience University of Pittsburgh Pittsburgh Pennsylvania USA
6. Clinical and Translational Science Institute University of Pittsburgh Pittsburgh Pennsylvania USA
7. Safar Center for Resuscitation Research University of Pittsburgh Pittsburgh Pennsylvania USA
8. Center for Neuroscience University of Pittsburgh Pittsburgh Pennsylvania USA