1. Neurology and Neurosurgery Service of Centro Clínico Veterinario Indautxu, Alameda de San Mamés 38, 48010 Bilbao, Spain
2. Neurology and Neurosurgery Service, Pride Referrals, Derby DE248 HX, UK
3. Mouse and Comparative Pathology Unit, Department of Animal Medicine and Surgery, Veterinary Faculty, Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Campus UAB, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
4. Fraga Diagnostic España, S.L., Mijas Costa, 29649 Malaga, Spain