1 Wits Sport and Health (WiSH), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg-Braamfontein, South Africa jpat@mweb.co.za.
2 Murdoch Children's Research Institute, Parkville, Victoria, Australia.
3 Cabrini Health, Malvern, Victoria, Australia.
4 Physiotherapy Department, University Hospitals Dorset NHS Foundation Trust, Poole, UK.
5 The FA Centre for Para Football Research, The Football Association, Burton-Upon-Trent, UK.
6 School of Sport, Health and Exercise Science, University of Portsmouth, University of Portsmouth, UK.
7 Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, USA.
8 Department of Radiology, University of Calgary, Calgary, Alberta, Canada.
9 Department of Pediatrics, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.
10 Psychology, University of Missouri, Kansas City, Missouri, USA.
11 University Orthopedics Concussion Care Center, State College Area School District, State College, Pennsylvania, USA.
12 Rehabilitation, Laval University, Quebec, Quebec City, Canada.
13 School of Health and Related Research, University of Sheffield, Sheffield, UK.
14 Departments of Rehabilitation Medicine, Orthopaedics and Sports Medicine and Neurological Surgery, University of Washington, Seattle, Washington, USA.
15 Family Medicine, University of Washington, Seattle, Washington, USA.
16 Institute for Sport Exercise and Health, University Collage Hospital London, London, UK.
17 Florey Institute of Neuroscience and Mental Health - Austin Campus, Heidelberg, Victoria, Australia.
18 Australian Football League, Melbourne, Victoria, Australia.
19 Musculoskeletal Medicine, Royal Orthopaedic Hospital, Birmingham, UK.
20 Consultant, Chief Medical Officer, Major League Soccer, New York, New York, USA.
21 International Concussion and Head Injury Research Foundation, London, UK.
22 University College London, London, UK.
23 Department of Sport and Exercise Medicine, Loughborough University, Loughborough, UK.
24 Medical Committee, International Paralympic Committee, Bonn, Germany.
25 Department of Psychology, University of Calgary, Calgary, Alberta, Canada.
26 Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
27 Alberta Children's Hospital Research Institute, University of Calgary, Capgary, Alberta, Canada.
28 Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
29 Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada.