1. Paragon Veterinary Referrals; Wakefield WF1 2DF UK
2. Department of Small Animal Clinical Sciences; Texas A&M University; College Station Texas 77843 USA
3. Department of Surgical and Radiological Sciences, School of Veterinary Medicine; University of California-Davis; Davis California 95616 USA
4. Department of Veterinary Science; University of Torino; Torino 10095 Italy
5. North Downs Specialist Referrals; Bletchingley RH1 4QP UK
6. Vets Now 24/7 Hospital Manchester; Manchester M45 6TQ UK
7. Department of Veterinary Medicine; University of Cambridge; Cambridge CB3 0ES UK
8. Highcroft Veterinary Referrals; Bristol BS14 9BE UK
9. Tierklinik Haar; 85540 Haar Germany
10. Blue Cross Animal Hospital; London SW19 1BD UK
11. Hillgarth, The Wrangle Compton Martin; Bristol BS40 6LB UK
12. Willows Veterinary Centre & Referral Service; West Midlands, B90 4NH UK
13. Canada - Alta Vista Animal Hospital; Ottawa Ontario K1T 1M9 Canada
14. Island Referrals; Isle of Wight PO33 1QG UK