1. United States Census Bureau. U.S. and world population clock. ; [accessed 7.03.22].
2. Howden L, Meyer J. Age sex composition: 2010. ; 2011.
3. Centers for Disease Control and Prevention. National Diabetes Statistics Report website. ; [accessed 21.07.22].
4. Estimating the prevalence of limb loss in the United States: 2005 to 2050;Ziegler-Graham;Arch Phys Med Rehabil,2008
5. Limb amputation and limb deficiency: epidemiology and recent trends in the United States;Dillingham;South Med J,2002