1. Institute of Neurology, University College London, London, United Kingdom
2. Blizard Institute of Cell and Molecular Science, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
3. Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
4. Department of Neurology, State University of Campinas, Campinas, Brazil