About the Authors

Kalpana Ramakrishnan

Affiliation Department of Biological Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America

Peter G. Okkema

okkema@uic.edu

Affiliation Department of Biological Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KR PO. Performed the experiments: KR. Analyzed the data: KR PO. Contributed reagents/materials/analysis tools: KR PO. Contributed to the writing of the manuscript: KR PO.