- Correspondence to Dr Ewan Carr, Department of Biostatistics and Health Informatics, King's College London, London SE5 8AF, UK;
- Received April 19, 2021
- Accepted September 6, 2021
- First published October 21, 2021.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.