About the Authors

Yan Hong

yhong@srph.tamhsc.edu

Affiliation School of Rural Public Health, Texas A&M Health Science Center, College Station, Texas, United States of America

Chen Zhang

Affiliation Global Health Institute, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Xiaoming Li

Affiliation School of Medicine, Wayne State University, Detroit, Michigan, United States of America

Wei Liu

Affiliation Guangxi Center for Disease Control and Prevention, Nanning, Guangxi, China

Yuejiao Zhou

Affiliation Guangxi Center for Disease Control and Prevention, Nanning, Guangxi, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XL. Performed the experiments: YZ WL. Analyzed the data: CZ YH. Wrote the paper: YH CZ XL.