About the Authors

Ping Xie

Affiliation Key Laboratory of Soft Matter Physics and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China

Jon R. Sayers

j.r.sayers@sheffield.ac.uk

Affiliation Department of Infection and Immunity, Krebs Institute, University of Sheffield Medical School, Sheffield, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PX JRS. Performed the experiments: PX. Analyzed the data: PX JRS. Contributed reagents/materials/analysis tools: PX. Wrote the paper: PX JRS.