About the Authors

Eliot C Bush

To whom correspondence should be addressed. E-mail: bush@uchicago.edu (ECB); blahn@bsd.uchicago.edu (BTL)

Affiliations Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America , Howard Hughes Medical Institute, University of Chicago, Chicago, Illinois, United States of America

Bruce T Lahn

To whom correspondence should be addressed. E-mail: bush@uchicago.edu (ECB); blahn@bsd.uchicago.edu (BTL)

Affiliations Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America , Howard Hughes Medical Institute, University of Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ECB conceived and designed the experiments, performed the experiments, and analyzed the data. ECB and BTL wrote the paper.