1. Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Statistics and Epidemiology, RTI International, Research Triangle Park, NC, USA
3. Alcohol, Tobacco and Other Drug Research Unit, South African Medical Research Council, Cape Town, South Africa
4. Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
5. Substance Use, Gender and Applied Research, RTI International, Research Triangle Park, NC, USA
6. Health Policy and Management, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
7. Psychology in the Public Interest, North Carolina State University, Raleigh, NC, USA
8. Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA