Africa Amazon lowland Amerindian communities Cushing syndrome Dry Dermatoscopy (d-DS) Enhanced Dermatoscopy (e-DS) Entodermoscopy (EDS) Mite-Gallery Unit (MGU) Mycobacterium ulcerans NTDs PCR Treponema pallidum Wet Dermatoscopy (w-DS) actinomycetoma animal reservoir case management clinical presentation community engagement dermatology diagnosis digital handheld microscope disease mapping drought eHealth early diagnosis emergency state eumycetoma iatrogenic impetigo integration