1. Division of Global HIV/TB, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA, Division of Pulmonary and Critical Care Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
2. Division of Global HIV/TB, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA
3. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
4. Division of Global HIV/TB, CDC, Phnom Penh, Cambodia
5. National Center for Tuberculosis and Leprosy Control, Phnom Penh, Cambodia