Greene, Giles http://orcid.org/0000-0001-9326-8740
Griffiths, Rowena
Han, Jun
Akbari, Ashley
Jones, Monica
Lyons, Jane
Lyons, Ronan A. http://orcid.org/0000-0001-5225-000X
Rolles, Martin
Torabi, Fatemeh
Warlow, Janet
Morris, Eva R. A. http://orcid.org/0000-0002-1075-6544
Lawler, Mark
Huws, Dyfed Wyn http://orcid.org/0000-0002-8527-4523
Article History
Received: 2 September 2021
Revised: 7 April 2022
Accepted: 13 April 2022
First Online: 2 May 2022
Competing interests
: ML has received an unrestricted educational grant from Pfizer for research unrelated to this work. ML has received honoraria from Pfizer, EMF Serono, Roche, Bayer, Novartis and Carnall Farrar unrelated to this work. DWH has received research consultancy fees from Pfizer for research unrelated to this work, and his department (Welsh Cancer Intelligence and Surveillance Unit, Public Health Wales) has received analysis partnership funding from Macmillan Cancer Support for unrelated work. The remaining authors declare no competing interests.
: All research conducted has been completed under the permission and approval of the SAIL independent Information Governance Review Panel (IGRP) project number 0911. The support of DATA-CAN, the UK’s Health data Research Hub for Cancer, is acknowledged. The advice of the Screening Division, Public Health Wales, is also acknowledged.
: This study uses anonymised data held in the Secure Anonymised Information Linkage (SAIL) Databank. This work uses data provided by patients and collected by the NHS as part of their care and support. We would also like to acknowledge all data providers who make anonymised data available for research.
Free to read: This content has been made available to all.