1. Department of Neurotrauma, Naval Medical Research Center, Silver Spring, Maryland.
2. Henry M. Jackson Foundation, Bethesda, Maryland.
3. National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland.
4. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.
5. Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, Maryland.
6. Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.