[1] Fondazione S Maugeri Care & Res Inst, WHO Collaborating Ctr TB & Lung Dis, Tradate, Italy
[2] Natl Inst Infect Dis INMI L Spallanzani, Rome, Italy
[3] Reference Hosp MDR & HIV TB, E Morelli Hosp, Sondalo, Italy
[4] S Raffaele Inst, TB Supernatl Reference Lab, Milan, Italy
[5] Univ Foggia, Fondazione S Maugeri Care & Res Inst, Foggia, Italy
[6] Res Ctr Borstel, Med Clin, Div Clin Infect Dis, Borstel, Germany
[7] Univ Tartu, EE-50090 Tartu, Estonia