About the Authors

Eivind Aadland

eivind.aadland@hisf.no

Affiliation Faculty of Teacher Education and Sport, Sogn og Fjordane University College, Sogndal, Norway

Einar Ylvisåker

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.