1 Dept. of Intensive Care, Copenhagen University Hospital, Copenhagen, Denmark. anders.perner@regionh.dk.
2 Department of Anesthesia and Intensive Care Unit, Regional University Hospital of Montpellier, St-Eloi Hospital, PhyMedExp, Université de Montpellier, INSERM, CNRS, Montpellier, France.
3 Department of Critical Care Medicine, Guy's and St Thomas' NHS Foundation Trust, London, SE17EH, UK.
4 School of Immunology and Microbial Sciences, Kings College, London, SE1 9RT, UK.