About the Authors

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

sweller@mail.dstl.gov.uk

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.