[1] US Dept HHS, Off Assistant Secretary Preparedness & Response, Washington, DC 20201 USA
[2] NCI, Radiat Res Program, NIH, Bethesda, MD 20892 USA
[3] Gryphon Sci, Takoma Pk, MD USA
[4] UnitedBiosource Corp, Lexington, MA USA
[5] McGill Univ, Dept Epidemiol Biostat & Occupat Hlth, Montreal, PQ, Canada
[6] McGill Univ, Div Gen Internal Med, Montreal, PQ, Canada
[7] US Dept Vet Affairs, Off Operat Secur & Preparedness, Washington, DC USA
[8] Ctr Dis Control & Prevent, Div Strateg Natl Stockpile, Off Publ Hlth Preparedness & Response, Atlanta, GA USA