1. Division of Clinical Microbiology, Royal University Hospital, Saskatoon, Saskatchewan, S7N0W8, Canada
2. Laboratory Medicine, Saskatchewan Health Authority, Saskatchewan, S7N0W8, Canada
3. Departments of Microbiology & Immunology, Pathology & Ophthalmology, University of Saskatchewan, Saskatoon, Saskatchewan, S7N0W8, Canada
4. Roy Romanow Provincial Laboratory Regina, Saskatchewan, S4S0A4, Canada