1 Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine 4-Pneumology, Kepler University Hospital, Linz, Austria; Medical Faculty, Johannes Kepler University Linz, Linz, Austria; Ignaz-Semmelweis-Institute, Interuniversity Institute for Infection Research, Vienna, Austria. Electronic address: helmut.salzer@kepleruniklinikum.at.
2 Division of Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany; German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany; Respiratory Medicine and International Health, University of Lübeck, Lübeck, Germany; Baylor College of Medicine and Texas Children's Hospital, Global Tuberculosis Program, Houston, TX, USA.