1. Department of Neuroscience, Mayo Clinic College of Medicine, Jacksonville, FL
2. Department of Neurology, University of Miami, School of Medicine, Miami, FL
3. Department of Neurology, University of Louisville School of Medicine, Louisville, Kentucky
4. Department of Neurology, North Shore Long Island Jewish Health System, New Hyde Park, NY
5. Departments of Neurology, Mayo Clinic College of Medicine, Jacksonville, FL
6. Departments of Pathology, Mayo Clinic College of Medicine, Jacksonville, FL