Affiliation: | PhD, RN, is an assistant professor in the Department of Community—Public Health, Johns Hopkins University, School of Nursing, Baltimore, MD.; PhD, is vice president of Research and Health Communication, Division of Research and Health Communications, American Social Health Association, Research Triangle Park, NC.; ScD, is an epidemiologist in the Department of Population, Family and Reproductive Health, Johns Hopkins University, School of Public Health, Baltimore, MD. |