About the Authors

Hongmei Sun

s.hongmei@263.net

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Guanhua Xue

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Chao Yan

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Shaoli Li

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Hanqing Zhao

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Yanling Feng

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Liqiong Wang

Affiliation Department of Bacteriology, Capital Institute of Pediatrics, Chaoyang District, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HMS GHX CY. Data curation: HMS GHX. Formal analysis: HMS GHX. Funding acquisition: HMS. Investigation: HMS GHX CY SLL HQZ YLF LQW. Methodology: HMS GHX CY SLL HQZ YLF LQW. Project administration: HMS. Resources: HMS GHX CY SLL. Software: HMS GHX. Supervision: HMS. Validation: HMS GHX CY SLL HQZ YLF LQW. Visualization: HMS GHX. Writing – original draft: HMS GHX. Writing – review & editing: HMS GHX.