[1] Fdn S Maugeri, World Hlth Org Collaborating Ctr TB & Lung Dis, Care & Res Inst, I-21049 Tradate, Italy
[2] Univ Sassari, Epidemiol & Med Stat Unit, Dept Biomed Sci, I-07100 Sassari, Italy
[3] Ist Sci San Raffaele, Emerging Bacterial Pathogens Unit, I-20132 Milan, Italy
[4] Reference Hosp MDR & HIV TB, E Morelli Hosp, Sondalo, Italy
[5] Homerton Univ Hosp, London, England
[6] Res Ctr Borstel, Div Clin Infect Dis, Med Clin, Borstel, Germany
[7] Parsberg Hosp, Dept Med, Parsberg, Germany
[8] Univ Tartu, Dept Pulm Med, EE-50090 Tartu, Estonia
[9] Marius Nasta Inst Pulmonol, MDR TB Ctr, Bucharest, Romania
[10] Gen Directorate Hlth Lisbon, Amadora, Portugal
[11] Lung Dis Ctr Venda Nova, Amadora, Portugal
[12] Swiss Lung Assoc, Bern, Switzerland
[13] European Ctr Dis Prevent & Control, Off Chief Scientist, Stockholm, Sweden