1. Department of Clinical Sciences; Faculty of Veterinary Medicine; University of Montreal; Saint-Hyacinthe QC Canada
2. Section of Medical Genetics (PennGen); School of Veterinary Medicine; University of Pennsylvania; Philadelphia PA
3. Department of Pathology and Microbiology; Faculty of Veterinary Medicine; University of Montreal; Saint-Hyacinthe QC Canada
4. Department of Clinical Studies; Ontario Veterinary College; University of Guelph; Guelph ON Canada