About the Authors

David A. Broniatowski

Affiliations Department of Engineering Management and Systems Engineering, The George Washington University, Washington, District of Columbia, United States of America, Center for Advanced Modeling in the Social, Behavioral, and Health Sciences, Department of Emergency Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America

Michael J. Paul

mpaul@cs.jhu.edu

Affiliation Department of Computer Science and Center for Language and Speech Processing, Johns Hopkins University, Baltimore, Maryland, United States of America

Mark Dredze

Affiliation Human Language Technology Center of Excellence and Department of Computer Science, Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJP MD. Performed the experiments: MJP. Analyzed the data: DAB MJP MD. Contributed reagents/materials/analysis tools: MD. Wrote the manuscript: DAB MJP MD.