1Department of Medical Microbiology, Faculty of Medicine, University of Manitoba, Manitoba, Canada
2Department of Clinical Microbiology, Health Sciences Centre, Winnipeg, Manitoba, Canada
3Department of Medicine, Health Sciences Centre, Winnipeg, Manitoba, Canada
*Correspondence address. Clinical Microbiology, Health Sciences Centre, MS673–820 Sherbrook St., Winnipeg, Manitoba R3A 1R9, Canada. Tel: +1-204-787-4684; Fax: +1-204-787-4699; E-mail: [email protected]