Demographic and clinical data of study participants at baseline.

atotal number of viable, non-viable and manipulated sand flea lesions. bsand flea lesions in stage I to IIIb, according to the Fortaleza Classification. clesions in stage IV and V, according to the Fortaleza Classification. dlesions manipulated with a sharp instrument by the patient himself or a caregiver. emaximum of 3 lesions per foot (see material and methods).