1. Departments of Medical Microbiology and Immunology,
2. Canadian Bacterial Diseases Network of Centers of Excellence, University of Alberta, Edmonton, Alberta T6G 2H7, Canada,
3. Protein Engineering Network of Centres of Excellence,
4. Biological Sciences,
5. Biochemistry,
6. SPI Synthetic Peptides Incorporated, 4465–4499 Street, Edmonton, Alberta T6E 5B6, Canada.