1. Office of Academic Affiliations, Department of Veterans Affairs, Washington, DC, USA
2. Loma Linda University School of Medicine, Loma Linda, CA, USA
3. Louis Stokes Cleveland DVA Medical Center, Cleveland, OH, USA
4. Weatherhead School of Management, Case Western Reserve University, Cleveland, OH, USA
5. Center for Advanced Statistics, VA Loma Linda Healthcare System, Loma Linda, CA, USA
6. George E. Wahlen VA Medical Center, Salt Lake City, UT, USA
7. School of Medicine, University of Utah, Salt Lake City, UT, USA
8. University of California at Irvine School of Medicine, Irvine, CA, USA
9. VA Puget Sound Health Care System, Seattle, WA, USA
10. University of Washington School of Medicine, Seattle, WA, USA
11. VA Loma Linda Healthcare System, Loma Linda, CA, USA
12. Department of Medicine, UMass-Memorial Medical Center at the University of Massachusetts, Worcester, MA, USA