About the Authors

Laith Yakob

lyakob@uci.edu

Affiliation Program in Public Health, University of California Irvine, Irvine, California, United States of America

Guiyun Yan

Affiliation Program in Public Health, University of California Irvine, Irvine, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LY. Performed the experiments: LY. Analyzed the data: LY GY. Contributed reagents/materials/analysis tools: GY. Wrote the paper: LY GY.