Mayo Clinic - Department of Neurology, Rutgers, The State University of New Jersey - Department of Cell Biology and Neuroscience, University of Virginia - Center for Brain Immunology and Glia, Mayo Clinic - Department of Neurology, Mayo Clinic - Department of Neurology, Rutgers, The State University of New Jersey - Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey - Department of Cell Biology and Neuroscience, Guangzhou Medical University - Department of Neurology and Mayo Clinic - Department of Neurology