About the Authors

Julie M. Miwa

miwaj@caltech.edu

Affiliation California Institute of Technology, Pasadena, California, United States of America

Andreas Walz

Affiliation Ophidion, Inc., Pasadena, California, United States of America

Competing Interests

JMM in owns stock Ophidion, Inc. and is an unpaid consultant to the company. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

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