1. Neuroimmunology Research, Department of Veterans Affairs Medical Center, Portland, OR
2. Department of Neurology, Oregon Health & Science University, Portland, OR
3. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR
4. Research Service, Department of Veterans Affairs Medical Center, Portland, OR
5. Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR, USA