- Correspondence to Dr Bo Løfgren, Research Centre for Emergency Medicine, Aarhus University Hospital, Nørrebrogade 44, Building 30, 1st Floor, Aarhus C 8000, Denmark;
- Received September 15, 2015
- Revised January 7, 2016
- Accepted January 11, 2016
- First published January 28, 2016.
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