1 Anaesthesia and Intensive Care Medicine, Royal United Hospital, Bath, UK. Electronic address: [email protected].
2 Department of Emergency Medicine, Virginia Commonwealth University, Richmond, VA, USA. Electronic address: [email protected].
3 Intensive Care, Liverpool and Macquarie University Hospitals, Sydney, Australia; University of New South Wales, Sydney, Australia; University of Western Sydney, Sydney, Australia; Macquarie University, Sydney, Australia. Electronic address: [email protected].
4 Critical Care Medicine, University of Warwick, Warwick Medical School, Coventry CV4 7AL, UK; Heart of England NHS Foundation Trust, UK. Electronic address: [email protected].
5 Anaesthesia and Intensive Care Medicine, Southmead Hospital, North Bristol NHS Trust, Bristol BS10 5NB, UK. Electronic address: [email protected].