About the Authors

Brian Suffoletto

suffbp@upmc.edu

Affiliation Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Jeffrey Kristan

Contributed equally to this work with: Jeffrey Kristan, Peter Monti, Duncan B. Clark

Affiliation Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Tammy Chung

‡ These authors also contributed equally to this work.

Affiliation Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Kwonho Jeong

‡ These authors also contributed equally to this work.

Affiliation Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Anthony Fabio

‡ These authors also contributed equally to this work.

Affiliation Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Peter Monti

Contributed equally to this work with: Jeffrey Kristan, Peter Monti, Duncan B. Clark

Affiliation Center for Alcohol and Addiction Studies, Brown University, Providence, Rhode Island, United States of America

Duncan B. Clark

Contributed equally to this work with: Jeffrey Kristan, Peter Monti, Duncan B. Clark

Affiliation Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Competing Interests

Dr. Suffoletto has a copyright for a “Text Message system to longitudinally assess alcohol consumption and provide psycho-educational feedback” which was licensed to HealthStratica LLC. BS is a consultant for HealthStratica, with no equity or management. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials. HelathStratica was not involved in the design, conduct, analysis or reporting of this trial.

Author Contributions

Conceived and designed the experiments: BS JK PM DC. Performed the experiments: BS JK. Analyzed the data: TC KJ AF BS JK PM DC. Contributed reagents/materials/analysis tools: TC KJ AF BS JK. Wrote the paper: TC KJ AF BS JK PM DC.