1 University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
2 Department of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
3 Department of Pathology & Laboratory Medicine, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
4 Department of Clinical Microbiology, Royal University Hospital & Saskatchewan Health Authority, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
5 Department of Medicine, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
6 Department of Microbiology & Immunology, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.
7 Department of Ophthalmology, University of Saskatchewan, Saskatoon, SK, S7N 0W8, Canada.