Buruli UlcerMycobacterium ulceransSkin UlcerBeninMycobacterium Infections, NontuberculousGhanaSkin Diseases, BacterialWitchcraftStreptomycinStomach UlcerDuodenal UlcerMacrolidesDemocratic Republic of the CongoPeptic UlcerRifampinEndemic DiseasesTogoLeg UlcerPressure UlcerAngolaTuberculosis, CutaneousNeglected DiseasesCameroonBreakfastFootPeptic Ulcer HemorrhageEnvironmental MicrobiologyMicroscopyCommunicable Diseases, Emerging