About the Authors

Lauren Cole

lcole@lsuhsc.edu

Affiliation Louisiana State University Health Sciences Center, School of Public Health, Epidemiology, New Orleans, Louisiana, United States of America

Linda Polfus

Affiliation The University of Texas Health Science Center at Houston, Human Genetics Center, Division of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, Houston, Texas, United States of America

Edward S. Peters

Affiliation Louisiana State University Health Sciences Center, School of Public Health, Epidemiology, New Orleans, Louisiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EP. Analyzed the data: LC LP. Wrote the paper: LC EP.