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History
- June 6, 2017.
Copyright
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
Author Information
- 1Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, 7 George Square, Edinburgh EH8 9JZ, UK
- 2Department of Psychology, University of Edinburgh, 7 George Square, Edinburgh, EH8 9JZ, UK
- 3Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh EH10 5HF
- 4MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
- Correspondence should be addressed to W David Hill (David.Hill{at}ed.ac.uk)