Funding for this research was provided by:
Bundesinstitut für Sportwissenschaft (BISp IIA1-080102A/11-18)
ERDF – European Regional Development Fund (80132471)
Text and Data Mining valid from 2018-08-06
Received: 26 August 2017
Accepted: 9 July 2018
First Online: 6 August 2018
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