1. Department of Physical Therapy; Munroe-Meyer Institute; University of Nebraska Medical Center; Omaha NE USA
2. Center for Magnetoencephalography; College of Medicine; University of Nebraska Medical Center; Omaha NE USA
3. Department of Pharmacology and Experimental Neuroscience; College of Medicine; University of Nebraska Medical Center; Omaha NE USA
4. Department of Psychology; University of Nebraska - Omaha; Omaha NE USA
5. Department of Neurological Sciences; University of Nebraska Medical Center; Omaha NE USA