1. Center for Neuroimmunology & Neuroinfectious Diseases, St. Louis, MO 63110, USA
2. Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
3. Department of Neurobiology, Brudnick Neuropsychiatric Research Institute, University of Massachusetts Chan Medical School, Worcester, MA 01655, USA
4. Department of Microbiology & Immunology, Western Institute of Neuroscience, Schulich School of Medicine & Dentistry, University of Western Ontario, 100 Perth Dr, London, ON N6A 5K8, Canada