About the Authors
- Eivind Aadland
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* E-mail: eivind.aadland@hisf.no
Affiliation Faculty of Teacher Education and Sport, Sogn og Fjordane University College, Sogndal, Norway
- Einar Ylvisåker
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Affiliation Faculty of Teacher Education and Sport, Sogn og Fjordane University College, Sogndal, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: EA EY. Performed the experiments: EY. Analyzed the data: EA. Wrote the paper: EA EY.