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*Address correspondence to: Claire Sterk, Emory University, Rollins School of Public Health, Department of Behavioral Sciences and Health Education, 1518 Clifton Road N.E., Atlanta GA 30322. PH: 404-727-9124, Fax: 404-727-3870, csterk@emory.edu
We would like to thank the anonymous reviewers and the participants in this study.
This research was supported by funding from the National Institute on Drug Abuse (R01DA 12639), PI: Kirk Elifson.
© 2008, Oxford University Press