About the Authors

Sydney Rosen

To whom correspondence should be addressed. E-mail: sbrosen@bu.edu.

Affiliations Center for International Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America , Health Economics Research Office, Wits Health Consortium, Johannesburg, South Africa

Matthew P Fox

Affiliation Center for International Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America

Christopher J Gill

Affiliations Center for International Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America , Infectious Diseases Section, Department of Medicine, Boston Medical Center, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

All authors contributed to developing the ideas presented in this paper, analyzing the data, and editing the manuscript.