1. Departments of Medical Microbiology and Infectious Diseases
2. Neurology
3. Immunology, Erasmus MC, University Medical Center, Dr. Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
4. Institute for Biological Sciences, National Research Council Canada, Ottawa, Ontario, Canada
5. Enteric Disease Program, National Microbiology Laboratory, Winnipeg, Manitoba, Canada