1. Comparative Genetic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI
2. Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
3. UK Dementia Research Institute, University College of London, London, UK
4. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden
5. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
6. Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI
7. Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI