1. Department 7812, Rigshospitalet, Copenhagen University Hospital; Copenhagen Trial Unit, Centre for Clinical Intervention Research; Copenhagen Denmark
2. Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Denmark DK-2100
3. Department 7831, Rigshospitalet, Copenhagen University Hospital; Centre for Research in Intensive Care; Blegdamsvej 9 Copenhagen Denmark DK-2100
4. Holbaek Hospital; Department of Cardiology; Holbaek Denmark 4300