[1
]Carnegie Applied Rugby Research (CARR) Centre, Carnegie School of Sport, Leeds Beckett
University, Leeds, UK
[2
]England Performance Unit, Rugby Football League Ltd, Leeds, UK
[3
]Leeds Rhinos Rugby League Club, Leeds, UK
[4
]Leinster Rugby, Belfield, Dublin, Republic of Ireland
[5
]Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine
Research Centre, Manchester Metropolitan University, Manchester, UK
[6
]School of Behavioural and Health Sciences, Australian Catholic University, Brisbane,
Australia
[7
]Sparta Science, Menlo Park, CA, USA
[8
]Department for Health, University of Bath, Bath, UK
[9
]Premiership Rugby, Twickenham, UK
[10
]Medical Services, Rugby Football Union, Twickenham, UK
[11
]Department of Epidemiology and Population Health, London School of Hygiene and Tropical
Medicine, London, UK
[12
]School of Built Environment, Engineering and Computing, Leeds Beckett University,
Leeds, UK
[13
]Queen Ethelburga’s Collegiate, Thorpe Underwood, York, UK
[14
]Division of Exercise Science and Sports Medicine, University of Cape Town, Faculty
of Health Sciences, Cape Town, South Africa
[15
]School of Science and Technology, University of New England, Armidale, NSW, Australia