1. Department 7812, Rigshospitalet, Copenhagen University Hospital; Copenhagen Trial Unit, Centre for Clinical Intervention Research; Blegdamsvej 9 Copenhagen Denmark DK-2100
2. Department 7831, Rigshospitalet, Copenhagen University Hospital; Centre for Research in Intensive Care; Blegdamsvej 9 Copenhagen Denmark DK-2100
3. Aalborg University Hospital; Department of Anaesthesia and Intensive Care; Hobrovej 18-22 Aalborg Denmark 9000
4. Copenhagen Trial Unit, Centre for Clinical Intervention Research; Blegdamsvej 9 Copenhagen 2100 Denmark Ø
5. Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Sjaelland Denmark DK-2100
6. Holbaek Hospital; Department of Cardiology; Holbaek Denmark 4300
7. Rigshospitalet, Copenhagen University Hospital; Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812; Copenhagen Denmark
8. Bispebjerg and Frederiksberg Hospital, University of Copenhagen; Department of Anaesthesia and Intensive Care; Bispebjerg Bakke 23 Copenhagen Denmark DK-2400
9. Herlev Hospital, University of Copenhagen; Department of Anaesthesiology; Herlev Ringvej 75, Pavillon 10, I65F10 Herlev Denmark 2730
10. Righospitalet, Copenhagen University Hospital; Department of Intensive Care; Copenhagen Denmark