About the Authors

Chuong B. Do

cdo@23andme.com

Affiliation 23andMe, Mountain View, California, United States of America

David A. Hinds

Affiliation 23andMe, Mountain View, California, United States of America

Uta Francke

Affiliations 23andMe, Mountain View, California, United States of America, Department of Genetics, Stanford University, Stanford, California, United States of America

Nicholas Eriksson

Affiliation 23andMe, Mountain View, California, United States of America

Competing Interests

CBD, DAH, UF, and NE are employed by 23andMe and own either stock or stock options in the company. PLOS co-founder Michael B. Eisen is a member of the 23andMe Scientific Advisory Board and also holds stock options in the company.

Author Contributions

Conceived and designed the experiments: CBD NE. Performed the experiments: CBD. Analyzed the data: CBD. Contributed reagents/materials/analysis tools: CBD. Wrote the paper: CBD DAH UF NE.