Affiliation: | Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J.V. Ershova, D.A. Kaminski, J.P. Cegielski, E.V. Kurbatova); ;Vladimir Oblast TB Dispensary, Vladimir, Russia (G.V. Volchenkov, T.R. Somova, T.A. Kuznetsova, N.V. Kaunetis) |