1. Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
2. Sport and Exercise Science, School of Health and Wellbeing, University of Southern Queensland, Ipswich, Queensland, Australia
3. School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, 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