Funding for this research was provided by:
Intensive Care Society
Received: 18 August 2020
Accepted: 21 October 2020
First Online: 2 November 2020
Ethics approval and consent to participate
: This study was granted national ethics approval. Phases 1 and 2—Oxford Research Ethics Committee B (REC 06/Q1605/17), Phase 3—South Central—Berkshire REC (11/SC/0172). Informed written consent to participate in the study was obtained from all patients who chose to respond to a questionnaire.
: Not applicable.
: All authors have completed the ICMJE uniform disclosure form at ExternalRef removed and declare: no financial relationships with any organisations that might have an interest in the submitted work in the previous 3 years; no other relationships or activities that could appear to have influenced the submitted work. PW reports significant grants from the National Institute of Health Research (NIHR) and the NIHR Biomedical Research Centre, Oxford, during the conduct of the study. PW reports grants and personal fees from Sensyne Health, outside the submitted work. PW is a consultant to Sensyne Health and holds shares in the company.