About the Authors

Anna Divoli

Current address: Department of Medicine and Institute of Genomics and Systems Biology, University of Chicago, Chicago, Illinois, United States of America

Affiliation School of Information, University of California, Berkeley, California, United States of America

Michael A. Wooldridge

Affiliation School of Information, University of California, Berkeley, California, United States of America

Marti A. Hearst

hearst@ischool.berkeley.edu

Affiliation School of Information, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AD MAW MAH. Performed the experiments: AD MAH. Analyzed the data: AD MAH. Contributed reagents/materials/analysis tools: AD MAW MAH. Wrote the paper: AD MAH.