1. Southampton Health Technology Assessments Centre (SHTAC), Faculty of Medicine, University of Southampton, Southampton, UK
2. Department of Infection Prevention and Control, South London Healthcare NHS Trust, London, UK
3. Division of Medical and Dental Education, School of Medicine, University of Aberdeen, Aberdeen, UK
4. Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
5. Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada