1. Statistics from China Civil Aviation Authority.
http://news.carnoc.com/list/340/340998.html
2. Barbe MF, Barr AE (2006) Inflammation and the pathophysiology of work-related musculoskeletal disorders. Brain Behav Immun 20(5):423–429
3. Da CB, Vieira ER (2010) Risk factors for work-related musculoskeletal disorders: a systematic review of recent longitudinal studies. Am J Ind Med 53(3):285
4. The U.S. Bureau of Labor Statistics.
https://www.bls.gov/news.release/osh2.nr0.htm
5. Abledu JK, Abledu GK (2012) Multiple logistic regression analysis of predictors of musculoskeletal disorders and disability among bank workers in Kumasi, Ghana. Ergonomics 4(2):556–559