[1] Natl Ctr Environm Hlth, CDCP, 4770 Buford Highway NE, Atlanta, GA 30341 USA
[2] Oak Ridge Associated Univ, Oak Ridge Inst Sci & Educ Fellowship Program, Oak Ridge, TN USA
[3] CDCP, Natl Fdn, Emergency Response, Atlanta, GA USA
[4] CDCP, Off Deputy Director Infect Dis, Atlanta, GA USA