1. Department of Social Welfare; UCLA Luskin School of Public Affairs; Los Angeles California
2. Department of Family Medicine; Oregon Health & Science University; Portland Oregon
3. Prevention Research Center; Pacific Institute for Research and Evaluation; Oakland California
4. Social and Epidemiological Research Department; Centre for Addiction and Mental Health; Toronto Ontario Canada
5. Alcohol Research Group; Public Health Institute; Emeryville California
6. Department of Psychiatry; Oregon Health and Science University; Portland Oregon