1. Stanford University School of Medicine, Stanford, CA, USA
2. National Tuberculosis Control Program, Brasília, DF, Brazil
3. Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, SP, Brazil
4. Central Laboratory of Public Health, Campo Grande, MS, Brazil
5. Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil, Oswaldo Cruz Foundation, Campo Grande, MS, Brazil, Yale School of Public Health, New Haven, CT, USA
6. University of Utah, Division of Epidemiology, Salt Lake City, UT, USA