As the longevity of the population increases, the incidence of diabetes-related complications also increases [Andersen and Roukis, 2007]. Among the complications of diabetes are foot problems, the most common cause of non-traumatic limb amputation
[Boulton et al, 2005]. The feet of people with diabetes can be affected by neuropathy, peripheral arterial disease, foot deformity, infections, ulcers and gangrene.
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