1Healthcare Cost and Utilization Project - Statistical Brief #75, June 2009
2National Safety Council - Injury Facts, 2010
3Safe Kids USA, A National Survey of Parents' Knowledge, Attitudes, and Self-Reported Behaviors Concerning Sports Safety, April 2011
4National Safety Council, Injury Facts - 2010 Edition
5See Outline of Coverage for details.
6Deits, Yard, Collins, Fields, Comstock, Patients With Ice Hockey Injuries Presenting to US Emergency Depts, 1990 - 2006. Journal of Athletic Training, 2010