1. Department of Anaesthesia and Intensive Care Medicine; Lapland Central Hospital; Rovaniemi; Finland
2. Intensive Care Units, Division of Anaesthesia and Intensive Care Medicine; Helsinki University Central Hospital; Helsinki; Finland
3. ANZIC-RC; Department of Epidemiology and Preventive Medicine; Monash University; Melbourne; Australia
4. Department of Anaesthesia and Intensive Care Medicine; South Karelia Central Hospital; Lappeenranta; Finland
5. Department of Anaesthesia and Intensive Care Medicine; Turku University Hospital; Turku; Finland
6. Department of Anaesthesia and Intensive Care Medicine; Central Finland Central Hospital; Jyväskylä; Finland
7. Department of Anaesthesia and Intensive Care Medicine; Middle Ostrobothnia Central Hospital; Kokkola; Finland
8. Department of Intensive Care; North Karelia Central Hospital; Joensuu; Finland
9. Department of Anaesthesia and Intensive Care Medicine; Satakunta Central Hospital; Pori; Finland
10. Department of Intensive Care Medicine; Tampere University Hospital; Tampere; Finland