1. West Los Angeles Veterans Affairs Medical Center, Los Angeles, California
2. West Los Angeles Veterans Affairs Medical Center, Los Angeles, California2University of California, Los Angeles Fielding School of Public Health, Los Angeles
3. RAND Corporation, Southern California Evidence-based Practice Center, Santa Monica
4. Phoenix Veterans Affairs Healthcare System, Phoenix, Arizona
5. Canandaigua Veterans Affairs Medical Center, Rochester, New York
6. Minneapolis Veterans Affairs Healthcare System, Minneapolis, Minnesota
7. White River Junction Veterans Affairs Medical Center, White River Junction, Vermont
8. Virginia Tech, Blacksburg
9. West Los Angeles Veterans Affairs Medical Center, Los Angeles, California3RAND Corporation, Southern California Evidence-based Practice Center, Santa Monica