From *VA Greater Los Angeles Healthcare System, Los Angeles, California.
From the †Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan.
From the ‡University of Michigan, Ann Arbor, Michigan.
From §RAND Europe, Leiden, The Netherlands.
From ∥Harvard School of Public Health, Boston, Massachusetts.
From ¶RAND, Arlington, Virginia.
From **RAND, Santa Monica, California.
This research was performed by the Southern California Evidence-Based Practice Center at RAND under contract with the Agency for Health care Research and Quality (Contract No. HS07185–02). Dr. Washington is the recipient of a Research Associate Career Development Award from the Department of Veterans Affairs. Dr. Shekelle was a Senior Research Associate of the Department of Veterans Affairs at the time this research was conducted.
The authors of this article are responsible for its contents. No statement in this article should be construed as an official position of the Agency for Health Care Research and Quality, the U.S. Department of Health and Human Services, or of the Department of Veterans Affairs.
This research was performed by the Southern California Evidence-Based Practice Center at RAND under contract with the Agency for Healthcare Research and Quality (Contract No. HSO7185-02).
Address correspondence and reprint requests to: Donna L. Washington, MD, MPH, VA Greater Los Angeles Healthcare System, 11301 Wilshire Blvd., 111G, Los Angeles, CA 90073. E-mail [email protected].
