Polling, C. http://orcid.org/0000-0003-2657-0696
Bakolis, I. http://orcid.org/0000-0002-4800-1630
Hotopf, M. http://orcid.org/0000-0002-3980-4466
Hatch, S. L. http://orcid.org/0000-0001-9103-2427
Funding for this research was provided by:
Wellcome Trust (105757/Z/14/Z)
Economic and Social Research Council (ES/S012567/1)
National Institute for Health Research
Article History
Received: 20 August 2020
Accepted: 7 April 2021
First Online: 20 April 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: All the data used for this analysis was previously collected, non-identifiable information provided by NHS Digital in an anonymised format, and as such was confirmed by the Health Research Authority Advice Service not to require additional institutional ethical review board approval. The project was approved by NHS Digital’s Confidentiality Advisory Group and Data Access Request Service prior to release of the data.