1. Department of Clinical Medicine, (OPEN) University of Southern Denmark, J. B. Winsløws Vej 9a, 3rd floor, DK-5000 Odense C, Denmark
2. Department of Emergency Medicine, University of Southern Denmark, Kløvervænget 25-25C, DK-5000 Odense C, Denmark
3. The Danish Patient Compensation Association, Kalvebod Brygge 45, DK-1560 Copenhagen V, Denmark