1. Department of Neurology Yale University School of Medicine New Haven Connecticut USA
2. Center for Neuroscience and Regeneration Research VA Connecticut Healthcare System West Haven Connecticut USA
3. Department of Neural Regenerative Medicine Research Institute for Frontier Medicine Sapporo Medical University School of Medicine Sapporo Hokkaido Japan
4. Section of Rheumatology, Allergy and Clinical Immunology Department of Internal Medicine Yale University School of Medicine Connecticut USA