1. University Department of Neuropathology, Imperial College London, Faculty of Medicine, Division of Neuroscience and Mental Health, Hammersmith Hospitals Trust, London, England
2. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
3. Department of Neurology, Klinikum Dortmund, Dortmund, Germany
4. Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
5. Department of Pharmacy, Uppsala University, and Molecular and Cell Biology Department, Resistentia Pharmaceuticals AB, Uppsala, Sweden