1 Professor of Anesthesia and Intensive Care Medicine, University of Iceland; Chief Physician, Division of Anesthesia and Intensive Care Medicine, Landspitali-The National University Hospital of Iceland.
2 Trainee in Anesthesia and Intensive Care Medicine, Landspitali-The National University Hospital of Iceland.
3 Consultant, Division of Anesthesia and Intensive Care Medicine, Landspitali-The National University Hospital of Iceland; Chairman, Icelandic Society of Hospital Doctors.
4 Professor of Medicine, University of Iceland; Director, Internal Medicine and Emergency Services, Landspitali-The National University Hospital of Iceland.