About the Authors

Eivind Aadland

eivind.aadland@hisf.no

Affiliation Faculty of Health Studies, Sogn og Fjordane University College, Førde, Norway

John Roger Andersen

Affiliations Faculty of Health Studies, Sogn og Fjordane University College, Førde, Norway, Department of Surgery, Førde Central Hospital, Førde, Norway

Sigmund Alfred Anderssen

Affiliations Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway, Faculty of Teacher Education and Sports, Sogn og Fjordane University College, Sogndal, Norway

Olav Martin Kvalheim

Affiliations Faculty of Health Studies, Sogn og Fjordane University College, Førde, Norway, Department of Chemistry, University of Bergen, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EA JRA SA OMK. Performed the experiments: EA JRA. Analyzed the data: EA OMK. Wrote the manuscript: EA. Crtically revised the manuscript: JRA SA OMK. Approved the final manuscript: EA JRA SA OMK.