About the Authors

Chris Fox

Chris.Fox@uea.ac.uk

Affiliation Department of Psychiatry, University of East Anglia, Norwich, United Kingdom

Monica Crugel

Affiliation Old Age Psychiatry Department, Oxleas NHS Foundation Trust, London, United Kingdom

Ian Maidment

Affiliation Pharmacy Research, University of Aston, Birmingham, United Kingdom

Bjorn Henrik Auestad

Affiliation Department of Mathematics and Natural Sciences University of Stavanger, Stavanger, Norway

Simon Coulton

Affiliation Centre for Health Service Studies, University of Kent, Kent, United Kingdom

Adrian Treloar

Affiliation Old Age Psychiatry Department, Oxleas NHS Foundation Trust Memorial Hospital, London, United Kingdom

Clive Ballard

Affiliation Neurodegeneration group, King’s College London, London, United Kingdom

Malaz Boustani

Affiliation Indiana University Center for Aging Research, Indiana University School of Medicine, Indianapolis, Indiana, United States of America

Cornelius Katona

Affiliation Mental Health Science Unit, University College London, London, United Kingdom

Gill Livingston

Affiliation Mental Health Science Unit, University College London, London, United Kingdom

Competing Interests

This work was funded by Lundbeck. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. CF has received speaker’s fees and support from Pfizer, Eisai, Novartis, Shires, and Lilly. MC was the research fellow for the MAGD study. IM has received consultancy fees and honoraria from pharmaceutical companies that include Lundbeck, Lilly, Schwarz, Pfizer, Shires, and Novartis. AT has received funding to attend educational meetings and conferences from Eisai and Pfizer and research grant from Pfizer. CB has received research grants, honoraria and consultancy fees from Lundbeck, and has received honoraria from Novartis. MB has received research funding from Forest, research funding and honoraria for advisory board membership from Novartis, and speaker’s fees and honoraria for advisory board membership from Pfizer and Eisai. CK’s institution has received research funding from Lundbeck; he has received honoraria, support for travel, lecture fees, and payment from advisory board membership from Lundbeck and Lilly and payment for preparation of educational material from Lundbeck. GL has received research funding and educational support from Lundbeck and research funding from Pfizer. SC declares no conflicts of interest. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CF IM CK CB AT MB. Performed the experiments: MC AT CF. Analyzed the data: BA. Wrote the paper: GL CF. Contributed to the data interpretation, the drafting of the manuscript and to the final paper: GL CF IM CK CB AT MB MC SC BA.