About the Authors
- Thomas E. Bureau
- Department of Biology, McGill University, Montreal, Quebec, Canada
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ZJ-L EF NJ TEB. Performed the experiments: ZJ-L EF DRH NJ. Analyzed the data: ZJ-L EF DRH. Wrote the paper: ZJ-L DRH.