1. Department of Health Sciences, Faculty of Medicine; Lund University; Lund Sweden
2. Department of Psychology, Faculty of Social Sciences; Lund University; Lund Sweden
3. Department of Community Medicine, Division of Health and Medical Sciences; Linköping University; Linköping Sweden
4. Centre for Sport and Social Impact (CSSI); La Trobe University; Melbourne Victoria Australia
5. Australian Centre for Research into Injury in Sport and its Prevention (ACRISP); Federation University Australia; Ballarat Australia