1. Division of Intensive Care Medicine; Department of Anesthesiology, Intensive Care and Pain Medicine; University of Helsinki and Helsinki University Hospital; Helsinki Finland
2. Department of Intensive Care; Austin Hospital; Melbourne Victoria Australia
3. Department of Intensive Care; North Karelia Central Hospital; Joensuu Finland
4. Division of Nephrology; Department of Medicine; Sacré-Coeur Hospital; University of Montreal; Montreal Quebec Canada