1. Center for Family Research, University of Georgia, Athens
2. Department of Psychology, University of Georgia, Athens
3. Department of Psychology, University of California, Los Angeles
4. Peter Boris Centre for Addictions Research, McMaster University, Hamilton, Ontario, Canada
5. Department of Behavioral Science and Health Education, Emory University, Atlanta, Georgia
6. Department of Psychology, Northwestern University, Evanston, Illinois7Institute for Public Policy, Northwestern University, Evanston, Illinois