1 Guy's and St Thomas' NHS Foundation Trust, ICU Support Offices, St Thomas' Hospital, 1st Floor, East Wing, SE1 7EH, UK. manu.shankar-hari@kcl.ac.uk.
2 School of Immunology and Microbial Sciences, Kings College London, London, SE1 9RT, UK. manu.shankar-hari@kcl.ac.uk.
3 Department of Intensive Care, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
4 Division of Critical Care Medicine, Department of Anesthesiology and Critical Care Medicine, Université Laval, Québec City, QC, Canada.
5 Population Health and Optimal Health Practices Research Unit (Trauma-Trauma-Emergency-Critical Care Medicine), CHU de Québec-Université Laval Research Center (Enfant-Jésus Hospital), Québec City, QC, Canada.