[1] Florey Inst Neurosci & Mental Hlth, Heidelberg, Vic, Australia
[2] Univ Calgary, Fac Med, Hotchkiss Brain Inst, Calgary, AB, Canada
[3] Univ Calgary, Sport Injury Prevent Res Ctr, Fac Kinesiol, Calgary, AB, Canada
[4] Ottawa Sport Med Ctr, Ottawa, ON, Canada
[5] Boston Univ, Med Ctr, Ctr Study Traumat Encephalopathy, Boston, MA USA
[6] Univ Zurich, CH-8006 Zurich, Switzerland
[7] Schulthess Clin Zurich, Zurich, Switzerland
[8] F MARC FIFA Med Assessment & Res Ctr, Zurich, Switzerland
[9] Psychol & Neurobehav Associates Inc, State Coll, PA USA
[10] Univ Missouri, Kansas City, MO USA
[11] Univ Oslo, Oslo Univ Hosp, Dept Orthopaed Surg, N-0316 Oslo, Norway
[12] Univ Oslo, Fac Med, N-0316 Oslo, Norway
[13] Oslo Sports Trauma Res Ctr, Oslo, Norway
[14] IOC, Lausanne, Switzerland
[15] Univ Toronto, Div Neurosurg, Toronto, ON M5S 1A1, Canada
[16] Concuss Management Program Athlet Edge Sports Med, Toronto, ON, Canada
[17] Univ Michigan, Dept Neurol, Michigan NeuroSport, Ann Arbor, MI USA
[18] Int Rugby Board, Dublin, Ireland
[19] Vanderbilt Univ, Med Ctr, Vanderbilt Sports Concuss Ctr, Nashville, TN USA
[20] Univ Calgary, Fac Med, Dept Clin Neurosci, Calgary, AB, Canada
[21] Univ Calgary, Dept Family Med, Fac Kinesiol, Calgary, AB, Canada
[22] Univ Calgary, Sport Med Ctr, Fac Kinesiol, Calgary, AB, Canada
[23] Austin Hosp, Dept Neurosurg, Melbourne, Vic 3084, Australia
[24] Cabrini Hosp, Dept Neurosurg, Melbourne, Vic, Australia
[25] Florey Inst Neurosci & Mental Hlth, Melbourne, Vic, Australia
[26] Univ Washington Seattle, Dept Neurol Surg, Seattle, WA USA
[27] Univ N Carolina, Dept Exercise & Sport Sci, Chapel Hill, NC USA
[28] Univ N Carolina, Matthew Gfeller Sport Related Traumat Brain Injur, Chapel Hill, NC USA
[29] Univ Washington, Dept Rehabil Med, Seattle, WA 98195 USA
[30] Univ Washington, Dept Orthopaed & Sports Med, Seattle, WA 98195 USA
[31] Univ Washington, Dept Neurol Surg, Seattle, WA 98195 USA
[32] Seattle Seahawks, Seattle Sports Concuss Program, Seattle, WA USA
[33] Seattle Mariners, Seattle, WA USA
[34] Univ British Columbia, Neuropsychol Outcome Assessment Lab, Vancouver, BC V5Z 1M9, Canada
[35] Univ British Columbia, Dept Psychiat, Vancouver, BC, Canada
[36] Cornell Univ, Weill Med Coll, New York, NY 10021 USA
[37] Burke Rehabil Hosp, White Plains, NY USA
[38] New York State Athlet Commiss, New York, NY USA
[39] Ottawa Sport Med Ctr, Ottawa, ON, Canada
[40] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[41] Med Coll Wisconsin, Dept Neurosurg, Milwaukee, WI USA
[42] Med Coll Wisconsin, Dept Neurol, Milwaukee, WI USA
[43] Monash Univ, Monash Injury Res Inst, Australian Ctr Res Injury Sports & Its Prevent, Clayton, Vic 3800, Australia
[44] Univ New S Wales, Fac Sci, Sydney, NSW 2052, Australia
[45] McIntosh Consultancy & Res Pty Ltd, Sydney, NSW, Australia
[46] Perry Maddocks Trollope Lawyers, Melbourne, Vic, Australia
[47] Melbourne Brain Ctr, Florey Inst Neurosci & Mental Hlth, Melbourne, Vic, Australia
[48] Univ Melbourne, Melbourne Physiotherapy Dept, Ctr Hlth Exercise & Sports Med, Melbourne, Vic, Australia
[49] McMaster Univ, Dept Pediat, Hamilton, ON, Canada
[50] McMaster Univ, David Braley Sport Med & Rehabil Ctr, Hamilton, ON, Canada