[1] Univ Orthoped, Concuss Care Clin, State Coll, PA 16801 USA
[2] Univ Missouri, Kansas City, MO USA
[3] Univ Calgary, Fac Kinesiol, Calgary, AB, Canada
[4] Univ Missouri, Biomed & Hlth Informat, Kansas City, MO USA
[5] Murdoch Childrens Res Inst, Parkville, Vic, Australia
[6] Cabrini Hlth, Malvern, Vic, Australia
[7] UCLA Steve T BrainSPORT Program, Neurosurg, Los Angeles, CA USA
[8] Mattel Childrens Hosp UCLA, Pediat Pediat Neurol, Los Angeles, CA USA
[9] Univ N Carolina, Matthew Gfeller Ctr, Chapel Hill, NC USA
[10] Univ Alberta, Med, Edmonton, AB, Canada
[11] Univ Michigan, Michigan Concuss Ctr, Ann Arbor, MI USA
[12] Rugby Football Union, Sports Med, London, England
[13] Univ Witwatersrand, Fac Hlth Sci, Sch Clin Med, Wits Sport & Hlth WiSH, Johannesburg Braamfontein, South Africa
[14] Major League Soccer, New York, NY USA
[15] Childrens Hosp, Eastern Ontario Res Inst, Ottawa, ON, Canada
[16] Univ Ottawa, Dept Pediat, Ottawa, ON, Canada
[17] Virginia Commonwealth Univ, Dept Psychol, Richmond, VA USA
[18] Univ Hosp Cleveland, Med Ctr, Neurol, Cleveland, OH USA
[19] Case Western Reserve Univ, Neurol, Sch Med, Cleveland, OH USA
[20] Med Coll Wisconsin, Neurosurg Neurol, Milwaukee, WI USA
[21] UTSW Med Ctr, Psychiary, Dallas, TX USA
[22] Childrens Natl Hlth Syst, Dept Pediat, Washington, DC USA
[23] Childrens Natl Hlth Syst, Dept Psychiat & Behav Sci, Washington, DC USA
[24] Univ Washington, Dept Rehabil Med Orthopaed & Sports Med & Neurol S, Seattle, WA USA
[25] Childrens Hosp Colorado, Sports Med Ctr, Orthoped, Aurora, CO USA
[26] Univ Penn, Philadelphia, PA USA
[27] AT Still Univ, Dept Athlet Training, Mesa, AZ USA
[28] AT Still Univ, Sch Osteopath Med Arizona, Mesa, AZ USA
[29] Childrens Hosp Boston, Sports Med, Boston, MA USA
[30] Childrens Hosp Boston, Emergency Med, Boston, MA USA
[31] Univ Victoria, Lib, Victoria, BC, Canada
[32] World Rugby Ltd, Dublin, Ireland
[33] UCLA, Hlth Steve Tisch BrainSPORT Program, Los Angeles, CA USA
[34] Florey Inst Neurosci & Mental Hlth, Austin Campus, Heidelberg, Vic, Australia
[35] La Trobe Sport & Exercise Med Res Ctr, Melbourne, Vic, Australia
[36] Sch Med, Dept Phys Med & Rehabil, Richmond, VA USA
[37] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[38] Univ Arizona, Dept Internal Med, Coll Med, Phoenix, AZ USA
[39] Univ Arizona, Dept Neurol, Coll Med, Phoenix, AZ USA
[40] Univ Calgary, Fac Kinesiol, Sport Injury Prevent Res Ctr, Calgary, AB, Canada