About the Authors

Phillip A. Rachwal
Helen L. Rose
Victoria Cox
Roman A. Lukaszewski
Amber L. Murch
Simon A. Weller


Affiliation Defence Science and Technology Laboratory, Porton Down, Salisbury, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SAW. Performed the experiments: PAR SAW. Analyzed the data: SAW VC. Contributed reagents/materials/analysis tools: SAW PAR HLR RAL ALM. Wrote the paper: SAW PAR.