About the Authors

Rufina Leung

Affiliation King’s College London and National Institute for Health Research (NIHR), Biomedical Research Centres at South London and Maudsley NHS Foundation Trust and Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom

Petroula Proitsi

Affiliation King’s College London, Institute of Psychiatry, London, United Kingdom

Andrew Simmons

Affiliations King’s College London and National Institute for Health Research (NIHR), Biomedical Research Centres at South London and Maudsley NHS Foundation Trust and Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom, King’s College London, Institute of Psychiatry, London, United Kingdom

Katie Lunnon

Affiliation King’s College London, Institute of Psychiatry, London, United Kingdom

Andreas Güntert

Affiliation King’s College London, Institute of Psychiatry, London, United Kingdom

Deborah Kronenberg

Affiliation King’s College London and National Institute for Health Research (NIHR), Biomedical Research Centres at South London and Maudsley NHS Foundation Trust and Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom

Megan Pritchard

Affiliation King’s College London and National Institute for Health Research (NIHR), Biomedical Research Centres at South London and Maudsley NHS Foundation Trust and Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom

Magda Tsolaki

Affiliation 3rd Department of Neurology, "G.Papanicolaou" Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece

Patrizia Mecocci

Affiliation Institute of Gerontology and Geriatrics, University of Perugia, Perugia, Italy

Iwona Kloszewska

Affiliation Department of Old Age Psychiatry and Psychotic Disorders, Medical University of Lodz, Lodz, Poland

Bruno Vellas

Affiliation UMR INSERM 1027, Gerontopole, CHU Toulouse, University of Toulouse, Toulouse, France

Hilkka Soininen

Affiliation University of Eastern Finland and University Hospital of Kuopio, Kuopio, Finland

Lars-Olaf Wahlund

Affiliation Department of Neurobiology, Care Sciences and Society, Section of Clinical Geriatrics, Karolinska Institutet, Karolinska University Hospital, Huddinge, Stockholm, Sweden

Simon Lovestone

simon.lovestone@kcl.ac.uk

Affiliations King’s College London and National Institute for Health Research (NIHR), Biomedical Research Centres at South London and Maudsley NHS Foundation Trust and Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom, King’s College London, Institute of Psychiatry, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SL. Performed the experiments: RL. Analyzed the data: RL PP. Contributed reagents/materials/analysis tools: RL PP AS KL AG DK MP MT PM IK BV HS LOW SL. Wrote the paper: RL.