1. Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA.
2. Center for Neuroscience and Rehabilitation Medicine, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
3. Department of Neurology, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
4. CENC Biorepository, Uniformed Services University of the Health Sciences, Twinbrook, Rockville, Maryland, USA.
5. CENC Imaging Core, University of Utah, Salt Lake City, Utah, USA.
6. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, Virginia, USA.
7. Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.