1. Victoria Injury Surveillance Unit. http://www.monash.edu.au/miri/research/research-areas/home-sport-and-leisure-safety/visu/ (accessed 14 Oct 2015).
2. Queensland Injury Surveillance Uni. http://www.qisu.org.au/ (accessed 14 Oct 2015).
3. WISQARS (Web-based Injury Statistics Query and Reporting System). http://www.cdc.gov/injury/wisqars/ (accessed 14 Oct 2015).
4. Florida Injury Surveillance Data System. http://www.floridahealth.gov/statistics-and-data/florida-injury-surveillance-system/index.html (accessed 14 Oct 2015).