Study registration: *
Publication Glampson B, medRxiv, 2021
Dates: 2020-12-08 to 2021-02-24
Funding: Mixed (Imperial Clinical Analytics Research and Evaluation (iCARE) environment, Whole Systems Integrated Care and used the iCARE & WSIC team and data resources, National Institute for Health Research (NIHR), Imperial Biomedical Research Centre (BRC), National Institute of Health Research (NIHR) Imperial Patient Safety Translational Research Centre, NW London NIHR Applied Research Collaboration.)
Conflict of interest: no COI (The authors have declared no competing interest.)