- Correspondence to Thomas C Sauter, Department of Emergency Medicine, Inselspital, Bern University Hospital, Freiburgstrasse, Bern 3010, Switzerland;
- Received 18 April 2016
- Revised 15 February 2017
- Accepted 12 April 2017
- Published in print 1 September 2017.
- Published online 21 August 2017.
- Published first 12 May 2017.
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