About the Authors

Wiley D. Jenkins

wjenkins@siumed.edu

Affiliation Center for Clinical Research, Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, Illinois, United States of America

W. Jay Christian

Affiliation College of Public Health, University of Kentucky, Lexington, Kentucky, United States of America

Georgia Mueller

Affiliation Center for Clinical Research, Southern Illinois University School of Medicine, Springfield, Illinois, United States of America

K. Thomas Robbins

Affiliation Simmons Cancer Institute, Department of Surgery, Southern Illinois University School of Medicine, Springfield, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WDJ WJC GM. Performed the experiments: WDJ WJC GM. Analyzed the data: WDJ WJC GM. Wrote the paper: WDJ WJC GM KTR.