1. Northwest Veterinary Specialists UK
2. Small Animal Teaching Hospital University of Liverpool Neston UK
3. Royal (Dick) School of Veterinary Studies and Roslin Institute The University of Edinburgh Roslin UK
4. Willows Veterinary Centre and Referral Service Solihull UK
5. Department of Molecular Biomedical Sciences, NC State Veterinary Hospital College of Veterinary Medicine, North Carolina State University Raleigh North Carolina USA
6. VETIVIA Referral Service Centre Obrak Biarritz France
7. Istituto Veterinario di Novara Novara Italy