1. Alcohol and Drug Abuse Institute, University of Washington, Seattle, Washington, USA;
2. Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington, USA;
3. Department of Psychology, University of Washington, Seattle, Washington, USA;
4. Seattle Division, VA Puget Sound Healthcare System, Seattle, Washington, USA;
5. CODA Inc., Portland, Oregon, USA;
6. Evergreen Treatment Services, Seattle, Washington, USA;
7. Emeritus, School of Social Work, University of Washington, Seattle, Washington, USA