About the Authors

Alixe H. M. Kilgour

ahmkilgour@doctors.org.uk

Affiliation Geriatric Medicine Unit, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom

Deepak Subedi

Affiliation Clinical Neurosciences, Brain Research Imaging Centre, University of Edinburgh, Edinburgh, United Kingdom

Calum D. Gray

Affiliations Clinical Research Imaging Centre, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom, Scottish Imaging Network, A Platform for Scientific Excellence (SINAPSE), Edinburgh, United Kingdom

Ian J. Deary

Affiliation Geriatric Medicine Unit, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom

Stephen M. Lawrie

Affiliations Scottish Imaging Network, A Platform for Scientific Excellence (SINAPSE), Edinburgh, United Kingdom, Division of Psychiatry, University of Edinburgh, Edinburgh, United Kingdom

Joanna M. Wardlaw

Affiliations Geriatric Medicine Unit, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Clinical Neurosciences, Brain Research Imaging Centre, University of Edinburgh, Edinburgh, United Kingdom, Scottish Imaging Network, A Platform for Scientific Excellence (SINAPSE), Edinburgh, United Kingdom

John M. Starr

Affiliation Geriatric Medicine Unit, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AK DS IJD SML JMW JMS. Performed the experiments: AK DS. Analyzed the data: AK DS JMW JMS. Contributed reagents/materials/analysis tools: CG IJD SML JMW JMS. Wrote the paper: AK DS CG IJD SML JMW JMS.