In partnership with

Professor Kevin Munro from The University of Manchester is carrying out this study. Manchester University NHS Foundation Trust are sponsoring this study. Nottingham Clinical Trials Unit (NCTU) are coordinating the study.

The research is funded by the National Institute for Health Research Health Technology Assessment Programme (NIHR131159). The views expressed are those of the authors and not necessarily those of the NIHR or the Department of Health and Social Care. This research has been reviewed and approved by the London - Chelsea Research Ethics Committee. IRAS Project ID: 313462 ISRCTN No: ISRCTN10589817.