- Correspondence to Mr Balint Banfai, University of Pécs, Faculty of Health Sciences, Institute of Emergency Care and Health Pedagogy, 7621 Pécs, Vörösmarty street 4, Hungary;
- Received August 15, 2016
- Revised March 7, 2017
- Accepted March 21, 2017
- First published April 18, 2017.
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