About the Authors

Xun Jiang

Contributed equally to this work with: Xun Jiang, Lijun Sun

Affiliation Department of Pediatrics, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China

Lijun Sun

Contributed equally to this work with: Xun Jiang, Lijun Sun

Affiliation Department of Health Statistics and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi’an, Shaanxi, China

Baoxi Wang

Affiliation Department of Pediatrics, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China

Xianjun Yang

Affiliation Department of Health Statistics and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi’an, Shaanxi, China

Lei Shang

shanglei@fmmu.edu.cn (LS); zhyh@fmmu.edu.cn (YZ)

Affiliation Department of Health Statistics and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi’an, Shaanxi, China

Yuhai Zhang

shanglei@fmmu.edu.cn (LS); zhyh@fmmu.edu.cn (YZ)

Affiliation Department of Health Statistics and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi’an, Shaanxi, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XL LS. Performed the experiments: XJ LS YZ XY BW. Analyzed the data: LS XY. Contributed reagents/materials/analysis tools: LS

. Wrote the paper: XJ LS LS YZ.