About the Authors

William S. Harris

bill@omegaquant.com

Affiliation Department of Internal Medicine, Sanford School of Medicine, University of South Dakota, and OmegaQuant Analytics, LLC, Sioux Falls, South Dakota, United States of America

Juhua Luo

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, Indiana, United States of America

James V. Pottala

Affiliation Department of Internal Medicine, Sanford School of Medicine, University of South Dakota, Sioux Falls, South Dakota, United States of America

Karen L. Margolis

Affiliation HealthPartners Foundation for Education and Research, Minneapolis, Minnesota, United States of America

Mark A. Espeland

Affiliation Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina, United States of America

Jennifer G. Robinson

Affiliation Department of Internal Medicine, College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

WSH is the President of OmegaQuant Analytics, LLC and an employee of Health Diagnostic Laboratory, Inc. (HDL), two laboratories that offer blood fatty acid testing; the former for researchers and the latter for clinicians. JVP is an employee of HDL. None of the other authors have any potential conflicts to disclose. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: WSH JVP MAE JGR. Performed the experiments: WSH MAE JGR. Analyzed the data: JVP JL. Wrote the paper: WSH JL JVP KLM MAE JGR.