About the Authors

Rehana Kader

kaderrehana@gmail.com

Affiliation Alcohol, Tobacco and other Drug Research Unit, Medical Research Council, Cape Town, South Africa

Rajen Govender

Affiliation Centre for Social Science Research and Department of Sociology, University of Cape Town, Cape Town, South Africa

Soraya Seedat

Affiliation Department of Psychiatry, University of Stellenbosch, Stellenbosch, South Africa

John Randy Koch

Affiliation Institute for Drug and Alcohol Studies, Virginia Commonwealth University, Richmond, Virginia, United States of America

Charles Parry

Affiliations Alcohol, Tobacco and other Drug Research Unit, Medical Research Council, Cape Town, South Africa, Department of Psychiatry, University of Stellenbosch, Stellenbosch, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RK. Performed the experiments: RK. Analyzed the data: RG. Contributed reagents/materials/analysis tools: RG. Wrote the paper: RK RG JRK SS CP.