1 Department of Behavioral Sciences and Learning, Linköping University, Linkoping, Sweden.
2 Athletics Research Center, Department of Health, Medicine and Caring Sciences, Linköping University, Linkoping, Sweden.
3 Department of Child and Adolescent Psychiatry and Department of Biomedical and Clinical Sciences, Center for Social and Affective Neuroscience, Linköping University, Linkoping, Sweden.
4 Department of Health, Medicine and Caring Sciences, Division of Society and Health, Linköping University, Linkoping, Sweden.