1. ChesterGates Veterinary Specialists, Neurology Service, Chester, United Kingdom of Great Britain and Northern Ireland
2. Fitzpatrick Referrals, Neurology Service, Eashing, United Kingdom of Great Britain and Northern Ireland
3. Lumbry Park Veterinary Specialists, Neurology Service, Alton, United Kingdom of Great Britain and Northern Ireland
4. School of Veterinary Medicine, Guildford, United Kingdom of Great Britain and Northern Ireland