1. Center for the Study of Drugs, Alcohol, Smoking and Health, School of Nursing, University of Michigan, Ann Arbor, Michigan.
2. Institute for Research on Women and Gender, University of Michigan, Ann Arbor, Michigan.
3. Department of Psychiatry, Addiction Center, University of Michigan, Ann Arbor, Michigan.
4. Center for Sexuality and Health Disparities, School of Nursing, University of Michigan, Ann Arbor, Michigan.
5. School of Nursing and Department of Psychiatry, Columbia University, New York, New York.