About the Authors

Anna V. Wilkinson

Contributed equally to this work with: Anna V. Wilkinson, Michael D. Swartz

Anna.V.Wilkinson@uth.tmc.edu

Affiliation University of Texas School of Public Health, Austin Regional Campus, Austin, Texas, United States of America

Michael D. Swartz

Contributed equally to this work with: Anna V. Wilkinson, Michael D. Swartz

Affiliation University of Texas School of Public Health, Houston, Texas, United States of America

Xiaoying Yu

Affiliation University of Texas School of Public Health, Houston, Texas, United States of America

Margaret R. Spitz

Affiliation Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas, United States of America

Sanjay Shete

Affiliation University of Texas M.D. Anderson Center, Division of Quantitative Sciences, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Critical review: MRS SS. Conceived and designed the experiments: MRS AVW. Analyzed the data: MDS XY SS. Wrote the paper: AVW MDS.