Dr. Brownstein is a faculty member at the Children's Hospital Informatics Program, Children's Hospital Boston, and an assistant professor of pediatrics at Harvard Medical School, Boston. Mr. Freifeld is a research software developer at the Children's Hospital Informatics Program in Boston and a master's candidate in the New Media Medicine Group of the MIT Media Laboratory in Cambridge, MA. Dr. Brownstein and Mr. Freifeld are the cocreators of the HealthMap system. Dr. Madoff is a professor of medicine at the University of Massachusetts Medical School, Worcester, an infectious disease physician with the Massachusetts Department of Public Health, Boston, and editor of ProMED-mail, a program of the International Society for Infectious Diseases.
This article (10.1056/NEJMp0900702) was published at NEJM.org on May 7, 2009.
Dr. Brownstein, Mr. Freifeld, and Dr. Madoff report receiving grant support from Google.org. No other potential conflict of interest relevant to this article was reported.