1. Division of Clinical Microbiology Royal University Hospital and Saskatchewan Health Authority Saskatoon SK Canada
2. Department of Microbiology and Immunology University of Saskatchewan Saskatoon SK Canada
3. Department of Pathology and Laboratory Medicine University of Saskatchewan Saskatoon SK Canada
4. Department of Ophthalmology University of Saskatchewan Saskatoon SK Canada
5. Department of Pathobiology University of Pennsylvania, School of Veterinary Medicine Philadelphia PA USA