R. Evans, D. Hume, M. Noorbhai, H. Rauch, N. van der Schyff, and E. Lambert, “A 12-week primary prevention programme and its effect on health outcomes (the Sweet Hearts biokinetics pilot study)”, SA J Sports Med, vol. 29, no. 1, pp. 1–6, Nov. 2017, doi: 10.17159/2078-516X/2017/V29I0A1346.