1. Division of Physiological Sciences and Health Through Physical Activity, Lifestyle and Sport (HPALS), Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
2. UXI Sport, Cape Town, South Africa
3. Carnegie Applied Rugby Research (CARR) Centre, Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom
4. Leeds Rhinos Rugby League Club, Leeds, United Kingdom
5. England Performance Unit, Rugby Football League, Leeds, United Kingdom
6. Premiership Rugby, London, United Kingdom