1. Weinstein SI, Yelin EH, Watkins-Castillo SI. The big picture. United States Bone and Joint Initiative: The Burden of Musculoskeletal Diseases in the United States (BMUS), 4th; ed. United States Bone and Joint Initiative (USBJI) (Internet). [Accessed 2021 July 26]. Available from: https//www.boneandjointburden.org/fourth-edition/i1/big-picture.
2. Chaib F. Musculoskeletal conditions affect millions. World Health Organization (WHO) (Internet). 2003; Oct 27. [Accessed 2021 July 26]. Available from: https//www.who.int/news/item/27-10-2003-musculoskeletal-conditions-affect-millions.
3. Low back pain series: what low back pain is and why we need to pay attention;Hartvigsen;Lancet (Internet).,2018
4. Singh K, Andersson G, Watkins-Castillo SI. Low back and neck pain. In: The Burden of Musculoskeletal Diseases in the United States: Prevalence, Societal and Economic Costs (BMUS), 4th ed. United States Bone and Joint Initiative (USBJI) (Internet). [Accessed 2021 July 26]. Available from: https//www.boneandjointburden.org/fourth-edition/iia0/low-back-and-neck-pain.s
5. Global low back pain prevalence and years lived with disability from 1990 to 2017: estimates from the Global Burden of Disease Study 2017;Wu;Ann Transl Med (Internet).,2020