About the Authors
Department of Biological Sciences, Binghamton University, Binghamton, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: OEP KS. Performed the experiments: OEP KS. Analyzed the data: OEP KS. Contributed reagents/materials/analysis tools: KS. Wrote the paper: OEP KS.