About the Authors

Lisa F. Shatz

lshatz@suffolk.edu

Affiliation Electrical and Computer Engineering Department, Suffolk University, Boston, Massachusetts, United States of America

Theodorus De Groot

Affiliation Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS TD. Performed the experiments: LS TD. Analyzed the data: LS. Wrote the paper: LS.