About the Authors

Daniel J. Coffield Jr.

Affiliation Mathematics Department, University of Michigan-Flint, Flint, Michigan, United States of America

Anna Maria Spagnuolo

spagnuol@oakland.edu

Affiliation Department of Mathematics and Statistics, Oakland University, Rochester, Michigan, United States of America

Meir Shillor

Affiliation Department of Mathematics and Statistics, Oakland University, Rochester, Michigan, United States of America

Ensela Mema

Affiliation Department of Mathematical Sciences, New Jerseys Science & Technology University, University Heights, Newark, New Jersey, United States of America

Bruce Pell

Affiliation School of Mathematical & Statistical Sciences, Arizona State University, Tempe, Arizona, United States of America

Amanda Pruzinsky

Affiliation Chesapeake Research Consortium, U.S. EPA Chesapeake Bay Program Office, Annapolis, Maryland, United States of America

Alexandra Zetye

Affiliation Department of Mathematics and Statistics, Oakland University, Rochester, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJC AMS MS. Performed the experiments: DJC AMS EM BP AP AZ. Analyzed the data: DJC AMS MS EM BP AP AZ. Contributed reagents/materials/analysis tools: DJC AMS MS EM BP AP AZ. Wrote the paper: DJC AMS MS.