1. Reta Lila Weston Institute of Neurological Studies Institute of Neurology University College London London UK
2. Queen Square Brain Bank for Neurological Disorders Institute of Neurology University College London London UK
3. Sara Koe PSP Research Centre Institute of Neurology University College London London UK
4. Department of Clinical Neurology Nottingham University Hospitals NHS Trust Nottingham UK
5. Department of Pathology Queen's Medical Centre University of Nottingham Nottingham UK