University of Basel - University Hospital Basel, TB/HIV Research Group, Malawi, SolidarMed, Partnerships for Health, SolidarMed Lesotho, Kamuzu University of Health Sciences, University of Basel - University Hospital Basel, University of Basel - University Hospital Basel, Basel University - CLEAR Methods Center, Seboche Mission Hospital Laboratory, Ministry of Health, Lesotho, Ministry of Health, Lesotho, University of Malawi - Helse Nord Tuberculosis Initiative, Liverpool School of Tropical Medicine - Department of International Public Health, University of Basel - Swiss Tropical and Public Health Institute, University of Glasgow, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme and University of Basel - Department of Infectious Diseases and Hospital Epidemiology