About the Authors

Elise Whitley, Geoff Der, Michaela Benzeval
MRC/CSO Social and Public Health Service Unit, Glasgow, United Kingdom

Ian J. Deary, G. David Batty
Centre for Cognitive Ageing and Cognitive Epidemiology, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom

G. David Batty
Department of Epidemiology and Public Health, University College London, London, United Kingdom

Corresponding Author

elise.whitley@bristol.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: EW. Wrote the first draft: EW MB. Critically reviewed and contributed to the final version: EW IJD GD GDB MB.