- Correspondence to Professor Wolfgang Schobersberger, Department for Psychology and Medical Sciences, Institute for Sports Medicine, Alpine Medicine & Health Tourism, UMIT, Eduard-Wallnöfer-Zentrum 1, Hall in Tirol 6060, Austria;
- Received April 18, 2016
- Revised June 6, 2016
- Accepted July 6, 2016
- First published July 27, 2016.
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