About the Authors

Jennifer Prah Ruger

jennifer.ruger@yale.edu

Affiliation Department of Public Health, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Marek Chawarski

Affiliation Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Mahmud Mazlan

Affiliation Substance Abuse Center, Muar Johor, Malaysia

Nora Ng

Affiliation Department of Public Health, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Richard Schottenfeld

Affiliation Department of Psychiatry, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JR MC MM RS. Performed the experiments: MC MM RS. Analyzed the data: JR NN. Contributed reagents/materials/analysis tools: JR MC MM RS. Wrote the paper: JR NN.