| Institution: | 1. Department of Physiotherapy, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa;2. Sport, Exercise Medicine and Lifestyle Institute (SEMLI), University of Pretoria, Pretoria, South Africa;3. Amsterdam Collaboration for Health and Safety in Sports, Department of Public and Occupational Health, Amsterdam Movement Sciences, Amsterdam University Medical Centres, VU University Medical Centre, Amsterdam, The Netherlands;4. International Olympic Committee (IOC) Research Centre, Pretoria, South Africa;5. Sport and Exercise Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa;6. Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa;7. Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa;8. Statistics and Population Studies Department, University of the Western Cape, Western Cape, South Africa |
