About the Authors

Kristina Lerman

lerman@isi.edu

Affiliation USC Information Sciences Institute, Marina del Rey, CA, United States of America

Xiaoran Yan

Current address: University of Indiana Network Science Institute, Bloomington, IN, United States of America

Affiliation USC Information Sciences Institute, Marina del Rey, CA, United States of America

Xin-Zeng Wu

Affiliations USC Information Sciences Institute, Marina del Rey, CA, United States of America, Department of Physics and Astronomy, University of Southern California, Los Angeles, CA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KL XY. Performed the experiments: XW. Analyzed the data: XW. Wrote the paper: KL XY XW.