22 “if in doubt, sit them out” 5. OTHER CONCUSSION RESOURCES Medical groups and sporting bodies, both nationally and internationally are developing their own guidelines or position statements on concussion. There is a broad acknowledgement of the complexity of sport-related concussion and the challenge this task poses for physicians. Australian Brain Foundation Australia http://brainfoundation.org.au/disorders/concussion Brain Injury Australia http://www.braininjuryaustralia.org.au/docs/CONCUSSIONpolicypaperFINAL.pdf Sports Concussion Australasia Headsmart Sports Concussion Programme http://www.headsmart.me/ Sports Medicine Australia sma.org.au/wp-content/uploads/2015/09/SMA-Position-Statement_Concussion-190815.pdf Sports Medicine Australia sma.org.au/wp-content/uploads/2015/09/SMA-Position-Statement_Concussion-190815.pdf International American Academy of Neurology http://www.neurology.org/content/80/24/2250.full American Medical Society for Sports Medicine http://bjsm.bmj.com/content/47/1/15.long Centre for Disease Control (USA) http://www.cdc.gov/headsup/index.html Faculty of Sport and Exercise Medicine UK http://www.fsem.ac.uk/media-resources/publications/concussion-guidelines.aspx