Jeffrey R. Starke, MD, has been the Director of the Children's Tuberculosis Clinic at Ben Taub General Hospital and Texas Children's Hospital for 30 years. He has published over 110 articles and 40 chapters on childhood tuberculosis. He has served on numerous advisory and guideline groups, and is a former Chairman of the U.S. CDC Advisory Council for the Elimination of Tuberculosis. His wife, Joan Shook, is also a pediatrician and all three of their children are in various stages of medical training. Peter R. Donald, MD, is Emeritus Professor in the Department of Paediatrics and Child Health of the Faculty of Health Sciences, Stellenbosch University, South Africa. He is active in various tuberculosis research activities focused on anti-tuberculosis drug assessment in adults and children and various aspects of the management and treatment of childhood tuberculosis. He continues to lecture on childhood tuberculosis throughout the world.