About the Authors
Bioinformatics Core, J David Gladstone Institutes, San Francisco, California, United States of America
Department of Biological Statistics and Computational Biology, Cornell University, Ithaca, New York, United States of America
Department of Genetics, Stanford University, Stanford, California, United States of America
The authors have declared that no competing interests exist.
Analyzed the data: KEE. Wrote the paper: KEE CDB. Designed the software used in the analysis: KEE JGB CDB. Conceived and designed simulations: KEE CDB.