This study is being run by the Bristol Trials Centre, in collaboration with University Hospitals Bristol and Weston NHS Foundation Trust and the University of Oxford. The Chief Investigator is Dr Rajeka Lazarus.
The study is being delivered by a network of sites across the South West of England and Wales, and may be extended to other areas.
This study is funded by the National Institute for Health Research (NIHR). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health.