About the Authors

Bruce B. Riley
Biology Department, Texas A&M University, College Station, Texas, United States of America

Corresponding Author

briley@mail.bio.tamu.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SV HK BBR. Performed the experiments: SV HK MSP. Analyzed the data: SV HK MSP BBR. Contributed reagents/materials/analysis tools: BBR. Wrote the paper: SV BBR.