1. World Health Organization. Injuries and violence: the facts 2014. Geneva: WHO; 2014.
2. Centers of Disease Control and Prevention Appendix II. Definitions and methods [Internet]. 2007 [cited 2016 May 21]. http://www.cdc.gov/nchs/data/injury/Definitions_of_injury_terms.pdf .
3. Adams PF, Martinez ME, Vickerie JL, Kirzinger WK. Summary health statistics for the U.S. population: National Health Interview Survey, 2012. Vital Health Stat. 2013;10(259):1–95.
4. Hashemi L, Webster BS, Clancy EA, Courtney TK. Length of disability and cost of work-related musculoskeletal disorders of the upper extremity. J Occup Environ Med. 1998;40(3):261–9. doi: 10.1097/00043764-199803000-00008 .
5. Siegenthaler F. Ich glaube, dass ich mindestens drei Monate nicht normal arbeiten gehen kann [I think that I am not able to work normally within 3 months]. Suva Med. 2010;22–39.