[1] Univ Witwatersrand, Fac Hlth Sci, Sch Clin Med, Wits Sport & Hlth WiSH, Johannesburg, South Africa
[2] Murdoch Childrens Res Inst, Parkville, Vic, Australia
[3] Cabrini Hlth, Malvern, Vic, Australia
[4] Univ Hosp Dorset NHS Fdn Trust, Physiotherapy Dept, Poole, England
[5] Football Assoc, FA Ctr Para Football Res, Burton Upon Trent, England
[6] Univ Portsmouth, Sch Sport Hlth & Exercise Sci, Portsmouth, England
[7] Harvard Med Sch, Dept Phys Med & Rehabil, Boston, MA USA
[8] Univ Calgary, Dept Radiol, Calgary, AB, Canada
[9] McMaster Univ, Dept Pediat, Fac Hlth Sci, Hamilton, ON, Canada
[10] Univ Missouri, Psychol, Kansas City, MO USA
[11] State Coll Area Sch Dist, Univ Orthoped Concuss Care Ctr, State Coll, PA USA
[12] Laval Univ, Rehabil, Quebec City, PQ, Canada
[13] Univ Sheffield, Sch Hlth & Related Res, Sheffield, England
[14] Univ Washington, Dept Rehabil Med, Seattle, WA USA
[15] Univ Washington, Dept Orthopaed & Sports Med, Seattle, WA USA
[16] Univ Washington, Dept Neurol Surg, Seattle, WA USA
[17] Univ Washington, Family Med, Seattle, WA USA
[18] Univ Collage Hosp London, Inst Sport Exercise & Hlth, London, England
[19] Florey Inst Neurosci & Mental Hlth, Austin Campus, Heidelberg, Vic, Australia
[20] Australian Football League, Melbourne, Vic, Australia
[21] Royal Orthopaed Hosp, Musculoskeletal Med, Birmingham, England
[22] Major League Soccer, New York, NY USA
[23] Int Concuss & Head Injury Res Fdn, London, England
[24] UCL, London, England
[25] Loughborough Univ, Dept Sport & Exercise Med, Loughborough, England
[26] Int Paralymp Comm, Med Comm, Bonn, Germany
[27] Univ Calgary, Dept Psychol, Calgary, AB, Canada
[28] Univ Calgary, Hotchkiss Brain Inst, Calgary, AB, Canada
[29] Univ Calgary, Alberta Childrens Hosp, Res Inst, Capgary, AB, Canada
[30] Childrens Hosp Eastern Ontario, Res Inst, Ottawa, ON, Canada
[31] Univ Calgary, Fac Kinesiol, Sport Injury Prevent Res Ctr, Calgary, AB, Canada