1. Neuro-Infectious Diseases Group, Department of Neurology and Division of Infectious Diseases, University of Colorado School of Medicine , Aurora, Colorado , USA
2. Division of Neurology, Department of Clinical Neurosciences, Cummings School of Medicine, University of Calgary , Calgary, Alberta , Canada
3. Division of Vector-Borne Diseases, Centers for Disease Control and Prevention , Fort Collins, Colorado , USA
4. University of Iowa, Carver College of Medicine, Department of Neurology , Iowa City, Iowa , USA
5. Hunterdon Infectious Disease Specialists , Flemington, New Jersey , USA
6. Department of Epidemiology, Colorado School of Public Health , Aurora, Colorado , USA