[1] Florey Inst Neurosci & Mental Hlth, Heidelberg, Vic, Australia
[2] Univ Calgary, Fac Kinesiol, Sport Injury Prevent Res Ctr, Calgary, AB, Canada
[3] Univ Calgary, Fac Med, Hotchkiss Brain Inst, Calgary, AB, Canada
[4] Ottawa Sport Med Ctr, Ottawa, ON, Canada
[5] Boston Univ, Med Ctr, Ctr Study Traumat Encephalopathey, Boston, MA USA
[6] Univ Zurich, CH-8006 Zurich, Switzerland
[7] Schulthess Clin Zurich, Zurich, Switzerland
[8] FMARC FIFA Med Assessment & Res Ctr, Zurich, Switzerland
[9] Univ Missouri, Kansas City, KS USA
[10] Univ Oslo, Oslo Univ Hosp, Dept Orthopaed, Oslo, Norway
[11] Univ Oslo, Fac Med, Oslo, Norway
[12] Oslo Sports Trauma Res Ctr, Oslo, Norway
[13] Int Olymp Comm, Lausanne, Switzerland
[14] Univ Toronto, Div Neurosurg, Toronto, ON M5S 1A1, Canada
[15] Athlet Edge Sports Med,Toronto, Concuss Management Program, Toronto, ON, Canada
[16] Univ Michigan, Dept Neurol, Ann Arbor, MI USA
[17] Int Rugby Board, Dublin, Ireland
[18] Vanderbilt Univ, Med Ctr, Orthopaed Surg & Rehabil Vanderbilt Sports Concus, Nashville, TN USA
[19] Univ Calgary, Fac Med, Dept Clin Neurosci, Calgary, AB, Canada
[20] Univ Calgary, Fac Kinesiol, Dept Family Med, Calgary, AB, Canada
[21] Univ Calgary, Fac Kinesiol, Sport Med Ctr, Calgary, AB, Canada
[22] Austin Cabrini Hosp, Dept Neurosurg, Melbourne, Vic, Australia
[23] Florey Inst Neurosci & Mental Hlth, Melbourne, Vic, Australia
[24] Univ Washington, Dept Neurol Surg, Seattle, WA 98195 USA
[25] Univ N Carolina, Dept Exercise & Sport Sci, Chapel Hill, NC USA
[26] Univ N Carolina, Matthew Gfeller Sport Related Traumat Brain Injur, Chapel Hill, NC USA
[27] Univ Washington, Dept Rehabil Med, Seattle, WA 98195 USA
[28] Univ Washington, Dept Orthopaed, Seattle, WA 98195 USA
[29] Univ Washington, Dept Sports Med, Seattle, WA 98195 USA
[30] Univ Washington, Dept Neurol Surg, Seattle, WA 98195 USA
[31] Seattle Seahawks & Seattle Mariners, Team Phys, Seattle Sports Concuss Program, Seattle, WA USA
[32] Univ British Columbia, Dept Psychiat, Vancouver, BC, Canada
[33] Cornell Univ, Weill Med Coll, New York, NY 10021 USA
[34] Burke Rehabil Hosp, White Plains, NY USA
[35] Ottawa Sport Med Ctr, Ottawa, ON, Canada
[36] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[37] Med Coll Wisconsin, Dept Neurosurg, Milwaukee, WI 53226 USA
[38] Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA
[39] Monash Univ, Monash Injury Res Inst, Australian Ctr Res Injury Sports & Prevent, Clayton, Vic 3800, Australia
[40] Univ New S Wales, Fac Sci, Sydney, NSW 2052, Australia
[41] McIntosh Consultancy & Res Pty Ltd, Sydney, NSW, Australia
[42] Perry Maddocks Trollope Lawyers, Melbourne, Vic, Australia
[43] Melbourne Brain Ctr, Florey Inst Neurosci & Mental Hlth, Melbourne, Vic, Australia
[44] Univ Melbourne, Ctr Hlth Exercise & Sports Med, Melbourne, Vic, Australia
[45] Univ Melbourne, Physiotherapy Dept, Melbourne, Vic, Australia
[46] McMaster Univ, Dept Pediat, Hamilton, ON, Canada
[47] McMaster Univ, David Braley Sport Med & Rehabil Ctr, Hamilton, ON, Canada
[48] Princeton Univ, Head Team Phys, Princeton, NJ 08544 USA
[49] Univ Med & Dent New Jersey, Robert Wood Johnson Med Sch, Newark, NJ 07103 USA
[50] Univ Calgary, Sport Injury Prevent Res Ctr, Calgary, AB, Canada