Ruzangi, Judith
Iwagami, Masao http://orcid.org/0000-0001-7079-0640
Smeeth, Liam
Mangtani, Punam
Nitsch, Dorothea
Article History
Received: 11 December 2019
Accepted: 15 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: We obtained ethical and scientific approval for the use of CPRD for our study from the Independent Scientific Advisory Committee Protocol number: 17_124R as well as from the London School of Hygiene and Tropical Medicine Research Ethics Committee (reference: 14162). Select general practices consent to this process at a practice level with individual patients having the right to opt-out. The CPRD adheres to all applicable UK and European laws, National Health Service Guidelines, and other guidelines governing research.
: Non applicable.
: None declared. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR or the Department of Health and Social Care.