1. Department of Emergency Medicine, Walter Reed National Military Medical Center, Bethesda, MD 20889, USA
2. 3rd Medical Command FWD, Camp Arifjan, Kuwait, T838, Zone-7 APO AE 09366
3. Multidrug-Resistant Organism Repository and Surveillance Network (MRSN), Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
4. Naval Hospital Jacksonville, Jacksonville, FL 32214, USA
5. 3rd MCDS Command Surgeon Ft Gillem, Forest Park, GA 30297, USA