About the Authors

Chao-Tsung Yang, Anna E Hindes, Keith A Hultman, Stephen L Johnson
Department of Genetics, Washington University School of Medicine, Saint Louis, Missouri, United States

Corresponding Author

sjohnson@genetics.wustl.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

CTY and SLJ conceived and designed the experiments. CTY, AEH, and KAH performed the experiments. CTY and SLJ analyzed the data and wrote the paper.