1. Departments of Medicine
2. Special Bacteriology Reference Laboratory, Meningitis and Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
3. Department of Molecular Genetics, Forsyth Institute, Boston, Massachusetts
4. Pathology
5. Infectious Diseases, Feinberg School of Medicine, Northwestern University
6. Lakeside Division, Veterans Affairs Chicago Health Care System, Chicago, Illinois