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History
- Received November 20, 2020
- Revision requested November 30, 2020
- Accepted January 29, 2021
- Published online August 26, 2021.
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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
- John Robson, MD, Reader in primary health care
- Cesar Garriga, PhD, Researcher in medical statistics
- Carol Coupland, PhD, Professor of medical statistics in primary care
- Julia Hippisley-Cox, MD, Professor of clinical epidemiology and general practice
- Address for correspondence
John Robson, Institute of Population Health Sciences, Queen Mary University of London, 58 Turner Street, London E1 2AB, UK. Email: j.robson{at}qmul.ac.uk