About the Authors

Vernon Lawhern

Vernon.Lawhern@utsa.edu

Affiliation Department of Computer Science, University of Texas-San Antonio, San Antonio, Texas, United States of America

W. David Hairston

Affiliation Human Research and Engineering Directorate, US Army Research Laboratory, Aberdeen Proving Ground, Maryland, United States of America

Kay Robbins

Affiliation Department of Computer Science, University of Texas-San Antonio, San Antonio, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Designed the software used in analysis: VL KR. Conceived and designed the experiments: WDH. Performed the experiments: WDH. Analyzed the data: VL WDH KR. Contributed reagents/materials/analysis tools: VL WDH KR. Wrote the paper: VL WDH KR.