About the Authors

Alexandra Shirreffs

Affiliation Department of Health Services, University of Washington, Seattle, Washington, United States of America

David P. Lee

Affiliation Department of Medicine, University of Washington, Seattle, Washington, United States of America

Jsani Henry

Affiliations Department of Health Services, University of Washington, Seattle, Washington, United States of America, Public Health - Seattle & King County, Seattle, Washington, United States of America

Matthew R. Golden

jstekler@uw.edu (JDS); golden@u.washington.edu (MRG)

Affiliations Department of Medicine, University of Washington, Seattle, Washington, United States of America, Department of Epidemiology, University of Washington, Seattle, Washington, United States of America, Public Health - Seattle & King County, Seattle, Washington, United States of America

Joanne D. Stekler

jstekler@uw.edu (JDS); golden@u.washington.edu (MRG)

Affiliations Department of Medicine, University of Washington, Seattle, Washington, United States of America, Department of Epidemiology, University of Washington, Seattle, Washington, United States of America, Public Health - Seattle & King County, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS JDS. Performed the experiments: AS DPL JDS. Analyzed the data: AS DPL JDS. Contributed reagents/materials/analysis tools: AS JH MRG JDS. Wrote the paper: AS JDS DPL.