About the Authors

Angela M Hancock

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

David B Witonsky

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Adam S Gordon

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Gidon Eshel

¤ Current address: Division of Science, Mathematics and Computing, Bard College at Simon's Rock, Great Barrington, Massachusetts, United States of America

Affiliation Department of Geophysical Sciences, University of Chicago, Illinois, United States of America

Jonathan K Pritchard

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Graham Coop

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Anna Di Rienzo

To whom correspondence should be addressed. E-mail: dirienzo@genetics.uchicago.edu

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

AMH, JKP, GC, and AD conceived and designed the study. ASG contributed to data collection. AMH, DBW, and AD analyzed the data. GE contributed analysis tools. AMH and AD wrote the paper.