About the Authors

Kent A. Stevens

kent@cs.uoregon.edu

Affiliation Department of Computer and Information Science, University of Oregon, Eugene, Oregon, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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