1. Hoglund Brain Imaging Center, University of Kansas Medical Center, Kansas City, Kansas.
2. Steve Palermo Nerve Regeneration Laboratory, University of Kansas Medical Center, Kansas City, Kansas.
3. Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas.
4. Department of Neurosurgery, University of Kansas Medical Center, Kansas City, Kansas.
5. Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas.
6. Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas.