From the Department of Anesthesiology and Intensive Care, Aarhus University Hospital (MB, JH, AG, LWA), Research Center for Emergency Medicine, Aarhus University Hospital (MJH, LWA), Department of Clinical Medicine, Aarhus University (MJH, AG, LWA), Department of Anesthesiology and Intensive Care, Randers Regional Hospital, Randers (MJH) and Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark (LWA)

Correspondence to Lars W. Andersen, MD, MPH, PhD, DMSc, Department of Anesthesiology and Intensive Care Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus, Denmark. Tel: +45 51 78 15 11; e-mail: [email protected]

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