1. McCrory P, Meeuwisse W, Dvořák J, Aubry M, Bailes J, Broglio S, et al. Consensus statement on concussion in sport-the 5th international conference on concussion in sport held in Berlin, October 2016. Br J Sports Med. 2017;51:838–47.
2. Ellis MJ, Leiter J, Hall T, McDonald PJ, Sawyer S, Silver N, et al. Neuroimaging findings in pediatric sports-related concussion. J Neurosurg Pediatr. 2015;16:241–7.
3. Lovell MR, Collins MW, Iverson GL, Johnston KM, Bradley JP. Grade 1 or “ding” concussions in high school athletes. Am J Sports Med. 2004;32:47–54.
4. Graham R, Rivara FP, Ford MA, Spicer CM, Committee on Sports-Related Concussions in Youth; Board on Children, Youth and Families, et al. Treatment and management of prolonged symptoms and post-concussion syndrome [Internet]. In: Sports-related concussions in youth: improving the science, changing the culture. Washington, DC: National Academies Press; 2014. [cited 2020 Jan 20]. Available from: https://www.ncbi.nlm.nih.gov/books/NBK185342/.
5. Scopaz KA, Hatzenbuehler JR. Risk modifiers for concussion and prolonged recovery. Sports Health. 2013;5:537–41.