1. Animal Health Trust; Centre for Small Animal Studies; Newmarket Suffolk UK
2. Department of Small Animal Medicine & Surgery; College of Veterinary Medicine; University of Georgia; Athens GA
3. Fitzpatrick Referrals; Godalming Surrey UK
4. School of Veterinary Medicine; Faculty of Health & Medical Sciences; University of Surrey; Guildford Surrey UK
5. Department of Anatomy and Radiology; College of Veterinary Medicine; University of Georgia; Athens GA