About the Authors

Karen P. Maruska

maruska@stanford.edu

Affiliation Department of Biological Sciences, Stanford University, Stanford, California, United States of America

Uyhun S. Ung
Russell D. Fernald

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KPM USU RDF. Performed the experiments: KPM USU. Analyzed the data: KPM USU. Contributed reagents/materials/analysis tools: KPM RDF. Wrote the paper: KPM USU RDF.