1School of Science and Technology, University of New England, Armidale, NSW Australia
2Carnegie Applied Rugby Research (CARR) centre, Institute for Sport Physical Activity and Leisure, Leeds Beckett University, Leeds, UK
3Leeds Rhinos Rugby League club, Leeds, UK
4England Performance Unit, The Rugby Football League, Leeds, UK
5Division of Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
6Health through Physical Activity, Lifestyle and Sport Research Centre (HPALS), Faculty of Health Sciences, The University of Cape Town, Cape Town, South Africa
7Sports Performance Institute New Zealand (SPRINZ), Faculty of Health and Environmental Science, Auckland University of Technology, Auckland, New Zealand
8School of Sport, Exercise and Nutrition, Massey University, Palmerston North, New Zealand
9National Rugby League, Sydney, Australia
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