1 Center for Access & Delivery Research and Evaluation, Iowa City Veterans Affairs Health Care System, Iowa City, IA, USA.
2 Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
3 William. S. Middleton Memorial VA Hospital, Madison, WI, USA.
4 Geriatric Research, Education and Clinical Center, Louis Stokes Cleveland VA Medical Center, Cleveland, OH, USA.
5 Center of Innovation for Complex Chronic Healthcare, Hines VA Hospital, Hines, IL, USA.
6 Department of Preventive Medicine and Center for Health Services and Outcomes Research, Northwestern University of Feinberg School of Medicine, Chicago, IL, USA.
7 MRSA/MDRO Division, VHA National Infectious Diseases Service, Patient Care Services, VA Central Office and the Lexington VA Health Care System, Lexington, KY, USA.
8 Environmental Programs Service (EPS), Veterans Affairs Central Office, Washington, DC, USA.
9 VA Boston Healthcare System and Boston University School of Medicine, Boston, MA, USA.
10 Department of Epidemiology, University of Maryland School of Medicine, Baltimore, MD, USA.
11 National Infectious Diseases Service, Specialty Care Services, Veterans Health Administration, US Department of Veterans Affairs, Washington, DC, USA.
12 DEAS Center of Innovation, Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah.
13 Division of Epidemiology, Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah.
14 Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah.
15 Veterans Health Administration National Infectious Diseases Service, Washington, DC, USA.
16 Cincinnati VA Medical Center and University of Cincinnati, Cincinnati, OH, USA.
17 Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, and William S. Middleton Hospital, Madison, WI, USA.
18 National Infectious Diseases Service (NIDS), Veterans Affairs Central Office, Washington, DC, USA.
19 Center of Innovation for Complex Chronic Healthcare (CINCCH), Hines Jr. Veterans Affairs Hospital, Hines, IL, USA.
20 Department of Preventive Medicine, Center for Health Services and Outcomes Research, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.