1. University of Michigan Geriatrics Center http://www.med.umich.edu/geriatrics/
2. Ann Arbor VA Geriatric Research, Education and Clinical Center (GRECC) http://www.va.gov/GRECC/ann_arbor_grecc_homepage.asp
3. University of Michigan Health System and Ann Arbor VA Healthcare System, Infectious Diseases http://www.med.umich.edu/intmed/infectious/
4. Ann Arbor Health Services Research and Development (HSR&D) Center of Excellence http://www.annarbor.hsrd.research.va.gov/
5. Michigan Institute for Clinical and Health Research (MICHR) http://www.michr.umich.edu/home
6. University of Michigan School of Nursing http://www.nursing.umich.edu/
7. University of Michigan School of Public Health http://www.sph.umich.edu/
8. Molecular and Clinical Epidemiology of Infectious Diseases (MAC-EPID) Research Group http://sitemaker.umich.edu/macepid/home
9. Study Sites: Southeast Michigan Nursing Homes
10. University of Maryland Baltimore, Department of Epidemiology and Public Health http://medschool.umaryland.edu/epidemiology/
11. Ann Arbor VA Medical Center/University of Michigan Patient Safety Enhancement Program (PSEP) http://psep.med.umich.edu/
