1 Tuberculosis Clinic, National Institute of Respiratory Diseases of Mexico (INER), Mexico City, Mexico.
2 Clinical Microbiology Laboratory, INER, Mexico City, Mexico.
3 Pneumology Unit, Maugeri Care and Research Institute, IRCCS, Tradate, Italy.
4 World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Maugeri Care and Research Institute, IRCCS, Tradate, Italy.
5 Public Health Consulting Group, Lugano, Switzerland.
6 World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Maugeri Care and Research Institute, IRCCS, Tradate, Italy giovannibattista.migliori@icsmaugeri.it.