1. Institute of Pharmaceutical Science, King’s College London, London, UK
2. Department of Psychiatry, University of Oxford, Oxford, UK
3. Department of Neurology, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
4. Department of Old Age Psychiatry & Psychotic Disorders, Medical University of Lodz, Lodz, Poland
5. Section of Gerontology and Geriatrics, Department of Medicine, University of Perugia, Perugia, Italy
6. Third Department of Neurology, Memory and Dementia Centre, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
7. Department of Internal and Geriatrics Medicine, INSERM U 1027, Gerontopole, Hôpitaux de Toulouse, Toulouse, France
8. Clinical and Translational Neuroscience Unit, Laboratory of Behavioral Neuroscience, National Institute on Aging, Baltimore, MD, USA
9. Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
10. Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, Qld, Australia
11. National Institute for Health Research (NIHR) Biomedical Research Centre (BRC) for Mental Health at South London and Maudsley NHS Foundation Trust, UK