About the Authors

Anna Mummert

mummerta@marshall.edu

Affiliation Mathematics Department, Marshall University, Huntington, West Virginia, United States of America

Howard Weiss

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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