About the Authors

Theodore J Perkins

To whom correspondence should be addressed. E-mail: perkins@mcb.mcgill.ca

Affiliation McGill Centre for Bioinformatics, McGill University, Montreal, Quebec, Canada

Johannes Jaeger

Address ¤ Current address: Department of Zoology, University of Cambridge, Cambridge, United Kingdom

Affiliations Department of Applied Mathematics and Statistics, Stony Brook University, Stony Brook, New York, United States of America , Center for Developmental Genetics, Stony Brook University, Stony Brook, New York, United States of America

John Reinitz

Affiliations Department of Applied Mathematics and Statistics, Stony Brook University, Stony Brook, New York, United States of America , Center for Developmental Genetics, Stony Brook University, Stony Brook, New York, United States of America

Leon Glass

Affiliation Centre for Nonlinear Dynamics, Department of Physiology, McGill University, Montreal, Quebec, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

TJP, JJ, JR, and LG analyzed the data. JJ contributed reagents/materials/analysis tools. TJP, JJ, JR, and LG wrote the paper.