About the Authors

Christine BenMessaoud

Affiliation Indiana University School of Informatics, Indianapolis, Indiana, United States of America

Hadi Kharrazi

Affiliation Indiana University School of Informatics, Indianapolis, Indiana, United States of America

Karl F. MacDorman

kmacdorm@indiana.edu

Affiliations Indiana University School of Informatics, Indianapolis, Indiana, United States of America, Purdue University School of Engineering and Technology, Indianapolis, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CB KFM. Performed the experiments: CB KFM. Analyzed the data: CB HK KFM. Contributed reagents/materials/analysis tools: CB KFM. Wrote the paper: CB HK KFM.