About the Authors

Patricio S. La Rosa

Affiliation Division of General Medical Sciences, Washington University in St. Louis, St. Louis, Missouri, United States of America

Berkley Shands

Affiliation Division of General Medical Sciences, Washington University in St. Louis, St. Louis, Missouri, United States of America

Elena Deych

Affiliation Division of General Medical Sciences, Washington University in St. Louis, St. Louis, Missouri, United States of America

Yanjiao Zhou

Affiliation The Genome Institute, Washington University in St. Louis Medical School, St. Louis, Missouri, United States of America

Erica Sodergren

Affiliation The Genome Institute, Washington University in St. Louis Medical School, St. Louis, Missouri, United States of America

George Weinstock

Affiliation The Genome Institute, Washington University in St. Louis Medical School, St. Louis, Missouri, United States of America

William D. Shannon

wshannon@wustl.edu

Affiliation Division of General Medical Sciences, Washington University in St. Louis, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GW ES. Performed the experiments: GW ES YZ. Analyzed the data: PSLR BS ED WDS. Contributed reagents/materials/analysis tools: GW ES YZ. Wrote the paper: PSLR WDS. Designed statistical methods: PSLR WDS. Designed Software used in the analysis: PSLR BS ED WDS. Sequence samples: GW ES YZ. Taxonomic-based analysis of sequences: YZ.