About the Authors

Shaowei Sang

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, Ji'nan, Shandong, China,, Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Zhongtang Zhao

Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, Ji'nan, Shandong, China,

Jijiang Suo

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Yubin Xing

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Ning Jia

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Yan Gao

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Lijun Xie

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Mingmei Du

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Bowei Liu

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Shiwang Ren

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Yunxi Liu

Yunxiliu6511@yahoo.com.cn

Affiliation Department of Infection Management and Disease Control, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SWS ZTZ YXL. Performed the experiments: NJ YG LJX MMD BWL SWR. Analyzed the data: SWS YXL. Contributed reagents/materials/analysis tools: JJS YBX. Wrote the paper: SWS ZTZ YXL.