- Correspondence to Dr Bálint Bánfai, University of Pécs Faculty of Health Sciences Institute of Emergency Care and Pedagogy of Health, 7621 Pécs, Vörösmarty u. 4., Hungary;
- Received September 7, 2018
- Revised May 1, 2019
- Accepted July 7, 2019
- First published July 20, 2019.
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