Funding: TJH was supported by a fellowship from the Harvard Kennedy School Institute of Politics and a research grant for this study from the Dunwalke Fund, also at Harvard University, and is currently employed by the Blackstone Group. SK has worked as a consultant for the World Health Organization and was chair of the World Health Organization/Stop TB Partnership's Green Light Committee for MDR-TB from 2007-2010 and a member of the committee from 2005-2007. SK has received partial salary support through a grant from the Eli Lilly and Company Foundation's MDR-TB Partnership to Brigham and Women's Hospital. The authors' employers, grantors, and funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.