Funding for this research was provided by:
The Swedish Research Council for Sport Science (D2016-0037/P2016-0146)
The Center of Research on Welfare, Health, and Sport, Halmstad University, Sweden
Text and Data Mining valid from 2019-02-13
First Online: 13 February 2019
Compliance with Ethical Standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study. The study was reviewed and approved by the regional ethical review board of Lund University (no. 2016/153).
: The authors declare that they have no conflict of interest.