- Correspondence to Dr Jamie Hartmann-Boyce, Nuffield Department of Primary Care Health Sciences, Oxford University, Oxford OX2 6GG, UK;
- Accepted October 29, 2021
- First published December 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.