Association of severity of paediatric concussions symptoms with delayed return to sport: Secondary analysis of Concussion Essentials RCT

Stephen Hearps, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Vicki A. Anderson, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Vanessa C. Rausa, Murdoch Children's Research Institute, Melbourne, Victoria, Australia; Gavin A. Davis, MCRI, Melbourne, Victoria, Australia; Anneke Grobler, Murdoch Children's Research Institute, Melbourne, Victoria, Australia; Franz E. Babl, The Royal Children's Hospital, Melbourne, Victoria, Australia