About the Authors

Rachel G. Tabak

rtabak@wustl.edu

Affiliation Prevention Research Center in St. Louis, Brown School, Washington University in St. Louis, St. Louis, Missouri, United States of America

J. Aaron Hipp

Affiliation Prevention Research Center in St. Louis, Brown School, Washington University in St. Louis, St. Louis, Missouri, United States of America

Christine M. Marx

Affiliation Division of Public Health Sciences, Washington University School of Medicine, St. Louis, Missouri, United States of America

Ross C. Brownson

Affiliations Prevention Research Center in St. Louis, Brown School, Washington University in St. Louis, St. Louis, Missouri, United States of America, Division of Public Health Sciences and Alvin J. Siteman Cancer Center, Washington University School of Medicine, 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: RGT RCB. Analyzed the data: RGT JAH CMM. Wrote the paper: RGT JAH CMM RCB.