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Thermogram and regions of interest (ROIs) on the dorsal surface of the feet. ROIs (regions of interest): D1 (distal end of the first toe to the navicular bone), D2, D3, and D4 (distal extremity of the second, third, and fourth toes up to the metatarsophalangeal joint), D5 (distal end of the fifth toe to cuboid bone). Source: Authors themselves, 2020–2022.
