1 Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium. Electronic address: jlvincent@intensive.org.
2 Department of Surgery, St. Michael's Hospital, Toronto, ON, Canada; Department of Critical Care Medicine, St. Michael's Hospital, Toronto, ON, Canada.
3 Division of Critical Care, Houston Methodist Hospital, 6565 Fannin St, Houston, TX 77030, USA.