About the Authors

Elvar Saevarsson

Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Writing – original draft, Writing – review & editing

Affiliation School of Education, University of Iceland, Reykjavík, Iceland

Erla Svansdottir

Roles Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliation School of Education, University of Iceland, Reykjavík, Iceland

Sigurbjorn Arngrimsson

Roles Investigation, Methodology, Project administration, Validation, Writing – original draft, Writing – review & editing

Affiliation School of Education, University of Iceland, Reykjavík, Iceland

Thorarinn Sveinsson

Roles Data curation, Formal analysis, Methodology, Supervision, Writing – original draft

Affiliation Research Centre for Movements Sciences, University of Iceland, Reykjavík, Iceland

Erlingur Johannsson

Roles Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

erljo@hi.is

Affiliations School of Education, University of Iceland, Reykjavík, Iceland, Department of Sport and Physical Activity, Western Norway University of Applied Sciences, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.