1. Department of Rehabilitation Medicine, University of Washington Medical Center, Seattle, Washington.
2. Department of Neurology, University of Washington, Seattle, Washington.
3. Department of Neurological Surgery, University of Washington, Seattle, Washington.
4. Department of Psychiatry and Behavioral Medicine, University of Washington, Seattle, Washington.
5. Department of Biostatistics, University of Washington, Seattle, Washington.
6. Department of Physical Medicine and Rehabilitation, UT Southwestern, Dallas, Texas.
7. Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota.
8. Department of Physical Medicine and Rehabilitation, University of Alabama Birmingham, UAB Spain Rehabilitation Center, Birmingham, Alabama.
9. Department of Neurology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania.
10. MossRehab at Elkins Park, Einstein Medical Center, Elkins Park, Pennsylvania.
11. Craig Hospital, CNS Medical Group, Englewood, Colorado.