1. Department of Sport, Recreation and Exercise Science, Faculty of Community and Health Sciences, University of the Western Cape, Cape Town, South Africa
2. Health and Human Physiological Sciences, Skidmore College, Saratoga Springs, NY, USA
3. Non-Communicable Diseases Research Unit, South African Medical Research Council, Cape Town, South Africa
4. Department of Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa
5. Harvard T. H. Chan School of Public Health, Department of Environmental Health, Environmental and Occupational Medicine and Epidemiology (EOME), Boston, USA
6. Open University of Cyprus, School of Economics and Management, Healthcare Management Program, Nicosia, Cyprus