About the Authors

Chiat Koo Lim

Affiliation Program in Developmental Biology, Baylor College of Medicine, Houston, Texas, United States of America

Richard L. Kelley

rkelley@bcm.tmc.edu

Affiliations Program in Developmental Biology, Baylor College of Medicine, Houston, Texas, United States of America, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CKL RLK. Performed the experiments: CKL. Analyzed the data: CKL RLK. Contributed reagents/materials/analysis tools: CKL RLK. Wrote the paper: CKL RLK.