About the Authors

Austin Huang

Affiliation Harvard–MIT Division of Health Sciences and Technology, Department of Electrical Engineering and Computer Science, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Collin M. Stultz

cmstultz@csail.mit.edu

Affiliation Harvard–MIT Division of Health Sciences and Technology, Department of Electrical Engineering and Computer Science, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AH CMS. Performed the experiments: AH. Analyzed the data: AH CMS. Wrote the paper: AH CMS.