About the Authors

Jean-Francois Castet

jcastet3@gatech.edu

Affiliation Georgia Institute of Technology, Atlanta, Georgia, United States of America

Joseph H. Saleh

Affiliation Georgia Institute of Technology, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: JFC JHS. Wrote the paper: JFC JHS.