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History
- Received October 12, 2020
- Revision requested October 27, 2020
- Accepted December 3, 2020
- Published online May 27, 2021.
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- Previous version (December 14, 2020 - 15:30).
- Previous version (May 4, 2021 - 16:05).
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© The Authors http://creativecommons.org/licenses/by/4.0/This article is Open Access: CC BY 4.0 licence (http://creativecommons.org/licences/by/4.0/).
Author Information
- Peter Tammes, PhD, Senior research associate
- Richard W Morris, PhD, Professor in medical statistics
- Mairead Murphy, PhD, Research fellow
- Chris Salisbury, FRCGP, Professor of primary health care
- Address for correspondence
Peter Tammes, University of Bristol, Bristol Medical School: Population Health Sciences, Centre for Academic Primary Care (CAPC), Canynge Hall, 39 Whatley Road, Bristol BS8 2PS, UK. Email: p.tammes{at}bristol.ac.uk