1. The Henry M. Jackson Foundation for the Advancement of Military Medicine, 6720-A Rockledge Drive, Suite 100, Bethesda, MD 20817, USA,
2. Division of Tropical Public Health, The Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA,
3. Multidrug Resistant Organism Repository and Surveillance Network, Walter Reed Army Institute of Research, 503 Robert Grant Ave, Silver Spring, MD 20910, USA and
4. United States Army Medical Directorate – Kenya, Nyanza, Kenya