About the Authors

Kathryn B. Anderson, Ruth L. Berkelman
Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Robert V. Gibbons, Stephen J. Thomas, Ananda Nisalak, Timothy P. Endy
Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand

Alan L. Rothman, Daniel H. Libraty
University of Massachusetts Medical School, Worcester, Massachusetts, United States of America

Corresponding Author

kbander@learnlink.emory.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: KBA RVG SJT TPE. Wrote the paper: KBA. Designed and conducted the prospective cohort study that gave rise to the data for this study: TPE DHL ALR AN. Contributed significantly to the content of the manuscript: RLB TPE DHL SJT RVG KBA.