Funding for this research was provided by:
The Swedish Research Council for Sport Science
Text and Data Mining valid from 2019-01-09
Received: 27 August 2018
Accepted: 26 December 2018
First Online: 9 January 2019
Ethics approval and consent to participate
: The regional ethical review board in Lund, Sweden approved the study (ETIK 2007/72).The participants voluntarily in the study and gave written consented to participate in the study.
: The participants gave written consent to the publication of the results.
: The authors declare that they have no competing interests.
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