1. Department of Neurosurgery and Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin.
2. Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin.
3. Division of Biostatistics, Medical College of Wisconsin, Milwaukee, Wisconsin.
4. Department of Psychiatry, Medical College of Wisconsin, Milwaukee, Wisconsin.
5. Department of Neurology, Loyola University Medical Center, Maywood, Illinois.
6. Department of Neurology, New York University School of Medicine, New York, New York.
7. Departments of Exercise and Sport Science & Orthopedics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
8. Neuroscience Research Center and Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin.
9. Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin.