About the Authors

Nick Patterson

To whom correspondence should be addressed. E-mail: nickp@broad.mit.edu

Affiliation Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America

Alkes L Price

Affiliations Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America , Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America

David Reich

Affiliations Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America , Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

NP, ALP, and DR chose data and designed experiments. DR advised on how to compare the methods with previous work. NP analyzed the data. NP, ALP, and DR wrote the paper.