1. Houston VA HSR&D Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, TX, USA
2. Baylor College of Medicine, Houston, TX, USA
3. The University of Alabama, Tuscaloosa, USA
4. Tuscaloosa VA Medical Center, AL, USA
5. University of Washington, Seattle, USA
6. The University of Texas Health Science Center at Houston, USA
7. The University of Texas School of Public Health, Houston, USA
8. VA South Central Mental Illness Research, Education and Clinical Center, Houston, TX, USA