About the Authors
- Xiang Li, Junling Gao, Pinpin Zheng
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China
- Zhixing Zhang
- Health Inspection Institute of Changning District, Shanghai, China
- Minqi Wei
- Center of Diseases Control in Minhang District, Shanghai, China
- Eric J. Nehl, Frank Y. Wong, Carla J. Berg
- Department of Behavioral Sciences & Health Education, Emory University Rollins School of Public Health, Atlanta, Georgia, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: PZ. Performed the experiments: ZZ MW XL. Analyzed the data: JG EN. Wrote the manuscript: XL PZ CB FW.