1. London School of Hygiene and Tropical Medicine; London UK
2. Department of Biomedical, Biotechnological and Translational Sciences; University of Parma; Parma Italy
3. WHO Collaborating Centre for TB/HIV and TB Elimination; University of Brescia; Brescia Italy
4. University Vita-Salute San Raffaele; Milan Italy
5. Global TB Programme; World Health Organization; Geneva Switzerland