1. Department of Biochemistry; Microbiology and Immunology; University of Ottawa; Ottawa Canada
2. Department of Microbiology and Molecular Genetics; Michigan State University; East Lansing MI USA
3. Ottawa Hospital Research Institute; Ottawa Canada
4. Division of Infectious Diseases; Ottawa Hospital-General Campus; Ottawa Canada
5. School of Epidemiology; Public Health and Preventative Medicine; University of Ottawa; Ottawa Canada