Funding for this research was provided by:
Fulda Sport Authorities
Article History
Received: 30 January 2018
Accepted: 3 October 2018
First Online: 14 November 2018
Compliance with ethical guidelines
:
: A. Hohmann, M. Siener and R. He declare that they have no competing interests.
: The author did not conduct any studies with human or animal participants for this article. As for other studies cited in this article, information on ethical guidelines may be found in the respective sources.