1. Amsterdam Collaboration on Health and Safety in Sports; Department of Public and Occupational Health; Amsterdam Public Health Research Institute; VU University Medical Center; Amsterdam The Netherlands
2. Department of Trauma Surgery; VU University Medical Center; Amsterdam The Netherlands
3. School of Human Movement and Nutrition Sciences; Faculty of Health and Behavioural Sciences; University of Queensland; Brisbane QLD Australia
4. Division of Exercise Science and Sports Medicine; Department of Human Biology; Faculty of Health Sciences; University of Cape Town; Cape Town South Africa
5. School of Public Health, Physiotherapy and Population Sciences; University College Dublin; Dublin Ireland