Updates are available Correction dated 2021-01-26

Article History

Received: 10 December 2020

Accepted: 15 December 2020

First Online: 6 January 2021

Change Date: 26 January 2021

Change Type: Correction

Change Details: An amendment to this paper has been published and can be accessed via the original article.

Ethics approval and consent to participate

: The study was approved by East of England, Cambridge South Research Ethics Committee: reference 20/EE/0235; and the HRA/HCRW on 6^th November 2020. IRAS project ID: 288362.The authors certify that this trial has received ethical approval from the appropriate ethical committee as described above. Informed consent to participate in the study will be obtained from all participants.

: Not applicable

: GM, MU, JB, HS, KS are chief or co-investigator on multiple previous and current research grants from the UK National Institute for Health Research.GM, JB and HS are chief or co-investigator on a current British Heart Foundation grant.GM & SE are Clinical Exercise Physiologists delivering cardiopulmonary rehabilitation for the NHS and are directors of Atrium Health Ltd, a cardiopulmonary rehabilitation provider. DM is a physiotherapist delivering post-ICU rehabilitation for the NHS. HS is director of Health Psychology Services Ltd, a private health psychology provider.MU is an investigator on Arthritis Research UK and Australian NHMRC grants. He is an NIHR Senior Investigator. He has received travel expenses for speaking at conferences from the professional organisations hosting the conferences. He is a director and shareholder of Clinvivo Ltd that provides electronic data collection for health services research. He is part of an academic partnership with Serco Ltd, funded by the European Social Fund, related to return to work initiatives. He is a co-investigator on two NIHR funded studies receiving additional support from Stryker Ltd. He has accepted honoraria for teaching/lecturing from consortium for advanced research training in Africa. Until March 2020 he was an editor of the NIHR journal series, and a member of the NIHR Journal Editors Group, for which he received a fee.JB is chief or co-investigator on Diabetes UK grants. She has received travel expenses for speaking at conferences from the professional organisations hosting these conferences.KS was a member of the NIHR HS&DR Board from 2010-2018.