Affiliations

• ¹ Division of Psychiatry, University College London, London W1T 7NF, UK; North London National Health Service Foundation Trust, London, UK. Electronic address: g.livingston@ucl.ac.uk.
• ² Division of Psychiatry, University College London, London W1T 7NF, UK; North London National Health Service Foundation Trust, London, UK.
• ³ Division of Psychiatry, University College London, London W1T 7NF, UK; Department of Public Health, University of Helsinki, Helsinki, Finland.
• ⁴ Department of Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway; Geriatric Department, Oslo University Hospital, Oslo, Norway.
• ⁵ University of Osaka, Osaka, Japan.
• ⁶ Psychiatry and the Behavioral Sciences and Department of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.