1. Department of Veterinary Medical Science (DIMEVET), University of Bologna, Bologna, Italy
2. Division of Neurological Sciences, Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland
3. Department of Veterinary Medicine, University of Perugia, Perugia, Italy
4. UC Davis School of Veterinary Medicine, Davis, CA, USA
5. Biomarin Pharmaceuticals Inc., Novato, CA, USA