About the Authors

Xin Shuai

Affiliation School of Informatics and Computing, Indiana University, Bloomington, Indiana, United States of America

Alberto Pepe

apepe@cfa.harvard.edu

Affiliation Center for Astrophysics, Harvard University, Cambridge, Massachusetts, United States of America

Johan Bollen

Affiliation School of Informatics and Computing, Indiana University, Bloomington, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XS AP JB. Performed the experiments: XS AP JB. Analyzed the data: XS AP JB. Contributed reagents/materials/analysis tools: XS AP JB. Wrote the paper: XS AP JB.