1 Discipline of Biokinetics, Exercise and Leisure Sciences, University of KwaZulu-Natal, College of Health Sciences, Durban, South Africa naidoor3@ukzn.ac.za.
2 Sport and Exercise Sciences, Durham University, Durham, UK.
3 Centre for Exercise, Nutrition and Health Sciences, University of Bristol Centre for Exercise Nutrition and Health Sciences, Bristol, UK.
4 Discipline of Physiotherapy, University of KwaZulu-Natal, College of Health Sciences, Durban, South Africa.