About the Authors

Maarit Valtonen

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

maarit.valtonen@kihu.fi

Affiliation Research Institute for Olympic Sports, Jyväskylä, Finland

Wilma Grönroos

Roles Investigation, Writing – review & editing

Affiliation Paavo Nurmi Centre and Unit for Health and Physical Activity, University of Turku, Turku, Finland

Raakel Luoto

Roles Data curation, Investigation, Methodology, Writing – review & editing

Affiliation Department of Pediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland

Matti Waris

Roles Data curation, Methodology, Writing – review & editing

Affiliation Institute of Biomedicine, University of Turku and Department of Clinical Virology, Turku University Hospital, Turku, Finland

Matti Uhari

Roles Formal analysis

Affiliation PEDEGO Research Unit, University of Oulu and Department of Pediatrics and Adolescents, Oulu University Hospital, Oulu, Finland

Olli J. Heinonen

Roles Methodology, Supervision, Writing – review & editing

Affiliation Paavo Nurmi Centre and Unit for Health and Physical Activity, University of Turku, Turku, Finland

Olli Ruuskanen

Roles Funding acquisition, Methodology, Resources, Supervision, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Pediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland

Competing Interests

The authors have declared that no competing interests exist.