Institution: | Centers for Disease Control and Prevention, Atlanta, Georgia, USA (L. Edison, B. Knust, B. Petersen, C. Manning, U. Ströeher, P.E. Rollin, D. Thoroughman, S.T. Nichol); ;Georgia Department of Public Health, Atlanta (L. Edison, J. Gabel, C. Drenzek); ;Kentucky Department for Public Health, Lexington, Kentucky, USA (D. Thoroughman) |