Diane Dennis, BSc, PhD, FHEADepartment of Intensive Care and Physiotherapy Department, Sir Charles Gairdner Hospital, Perth, AustraliaDiane.Dennis@health.wa.gov.au Aaron Calhoun, MD, FSSH, FSSHUniversity of Louisville Department of Pediatrics, Division of Critical Care, and Norton Children's Medical Group, Louisville, Kentucky, USAaaron.calhoun@louisville.edu Rahul Khanna, MBBS, FRANZCP, MpsychiatryDepartment of Psychiatry, Phoenix Australia, University of Melbourne, Melbourne; Division of Mental Health, Austin Health, Heidelberg, Australia rahul.khanna@unimelb.edu.au Cameron Knott, MBBS(hons), GDipClinUS, MClinEd, FRACP, FCICMDepartment of Intensive Care, Bendigo Health, Bendigo, Australia; Monash Rural Health Bendigo, Monash University, Victoria, Australia; Department of Intensive Care, Austin Health, Heidelberg, AustraliaDepartment of Critical Care, University of Melbourne, Australia; cknott@bendigohealth.org.au Peter Vernon van Heerden, MBBCh, MMed(Anaes), PhD, DA(SA), FFARCSI, FCICM, FANZCA, FJFICMIDepartment of Anesthesiology, Critical Care and Pain MedicineHadassah Medical CenterJerusalem, Israelvernon@hadassah.org.il