1. Companion Animal Research Group; Veterinary Teaching Hospital Centre
2. Department of Biomedicine; Faculty of Veterinary Medicine; University of Montreal; PO Box 5000 St Hyacinthe Quebec J2S 7C6 Canada
3. Osteoarthritis Research Unit; University of Montreal Hospital Centre; Notre-Dame Hospital; 1560 Sherbrooke Street East Montreal Quebec H2L 4M1 Canada