Buruli UlcerMycobacterium ulceransSkin UlcerBeninMycobacterium Infections, NontuberculousSkin Diseases, BacterialGhanaWitchcraftStreptomycinStomach UlcerDuodenal UlcerMacrolidesDemocratic Republic of the CongoPeptic UlcerRifampinEndemic DiseasesTogoLeg UlcerPressure UlcerAngolaTuberculosis, CutaneousNeglected DiseasesCameroonBreakfastFootEnvironmental MicrobiologyPeptic Ulcer HemorrhageMicroscopyCommunicable Diseases, EmergingBacterial Toxins