About the Authors
- Dmitri A. Petrov
- Department of Biology, Stanford University, Stanford, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TK PWM DAP. Performed the experiments: TK PWM. Analyzed the data: TK PWM DAP. Contributed reagents/materials/analysis tools: TK PWM DAP. Wrote the paper: TK PWM DAP.