[1] Fdn Salvatore Maugeri, Clin Lavoro Riabilitaz, Care & Res Inst, I-21049 Tradate, Italy
[2] Cent TB Res Inst, Moscow, Russia
[3] Ivanovo TB Dispensary, Ivanovo, Russia
[4] WHO, Global TB Programme, CH-1211 Geneva, Switzerland
[5] WHO, Country Off, Nonthaburi, Thailand