1. The Royal (Dick) School of Veterinary Studies and Roslin Institute; University of Edinburgh; Roslin Midlothian UK
2. Centre Hospitalier Universitaire Vétérinaire de l'Université de Montréal; Saint-Hyacinthe Québec Canada
3. College of Veterinary Medicine; North Carolina State University; Raleigh USA
4. College of Veterinary Medicine; Cornell University; Ithaca New York USA
5. Department of Clinical Veterinary Science; University of Bristol; Langford Bristol UK