1. School of Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow; Glasgow United Kingdom
2. Department of Molecular Neuroscience; Institute of Neurology, University College London; London United Kingdom
3. Department of Histopathology; Great Ormond Street Hospital; London United Kingdom
4. Department of Pathology; Tufts University School of Medicine and Tufts-New England Medical Center; Boston Massachusetts
5. VetExtra Neurology; Broadleys; Stirling United Kingdom
6. MRC Laboratory for Molecular Cell Biology, UCL Institute of Child Health, and Department of Genetics, Evolution and Environment, University College London; London United Kingdom