[1] European Ctr Dis Prevent & Control, Stockholm, Sweden
[2] Maugeri Care & Res Inst, World Hlth Org Collaborating Ctr TB & Lung Dis, Tradate, Italy
[3] Publ Hlth Consulting Grp, Tradate, Italy
[4] Verduin Publ Hlth Consult, Oegstgeest, Netherlands
[5] Univ Roma Tor Vergata, Dept Biomed & Prevent, Rome, Italy
[6] Univ Roma Tor Vergata, Anim Technol Stn, Rome, Italy
[7] Reg Hlth Adm North, Dept Publ Hlth, Porto, Portugal
[8] Riga East Univ Hosp, Ctr TB & Lung Dis, Riga, Latvia
[9] Hosp Ctr Vila Nova de Gaia, Dept Pneumol, Natl Reference Ctr MDR TB, Porto, Portugal
[10] Univ Porto, Fac Med, Publ Hlth Sci & Med Educ Dept, Porto, Portugal
[11] Minist Hlth, Dept Management Specialized Donor Funded Programm, Global Fund Fight AIDS TB & Malaria GFATM Program, Sofia, Bulgaria
[12] IRCCS, Natl Inst Infect Dis L Spallanzani, Resp Infect Dis Unit, Rome, Italy
[13] Queen Mary Univ, Barts & London Sch Med & Dent, Blizard Inst, London, England
[14] Riga East Univ Hosp, Dept Methodol & Supervis, Riga, Latvia
[15] Univ Hosp Act Treatment Resp Dis St Sofia, Sofia, Bulgaria
[16] Barts Hlth NHS Trust, Royal London Hosp, Div Infect, London, England
[17] Univ Sassari, Dept Biomed Sci, Clin Epidemiol & Med Stat Unit, Sassari, Italy