1. Translational and Clinical Research Institute Newcastle University Newcastle upon Tyne United Kingdom
2. UK Dementia Research Institute at UCL London United Kingdom
3. Department of Neurodegenerative Disease UCL Institute of Neurology London United Kingdom
4. Nuclear Medicine Department Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne United Kingdom
5. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden
6. Clinical Neurochemistry Laboratory Sahlgrenska University Hospital Mölndal Sweden
7. Hong Kong Center for Neurodegenerative Diseases Hong Kong China
8. Department of Psychiatry University of Cambridge School of Clinical Medicine Cambridge United Kingdom