1. Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England
2. Division of Psychiatry, University College London, London, England
3. London Down Syndrome Consortium, London, England
4. Department of Neurodegenerative Disease, Institute of Neurology, University College London, London, England
5. Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, Special Administrative Region of China
6. Reta Lila Weston Institute, Institute of Neurology, University College London, London, England
7. Department of Neuromuscular Diseases, Institute of Neurology, University College London, London, England
8. The Francis Crick Institute, London, England
9. Imperial College, London, England
10. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
11. Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, England