About the Authors

Claire L. Lonsdale

cllonsdale@mail.dstl.gov.uk (CLL); slim@isensesystems.com (SHL)

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

Brian Taba

Affiliation Specific Technologies, Mountain View, California, United States of America

Nuria Queralto

Affiliation Specific Technologies, Mountain View, California, United States of America

Roman A. Lukaszewski

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

Raymond A. Martino

Affiliation Specific Technologies, Mountain View, California, United States of America

Paul A. Rhodes

Affiliation Specific Technologies, Mountain View, California, United States of America

Sung H. Lim

cllonsdale@mail.dstl.gov.uk (CLL); slim@isensesystems.com (SHL)

Affiliation Specific Technologies, Mountain View, California, United States of America

Competing Interests

Drs. Lim, Queralto, Taba and Rhodes and Mr. Martino all have an interest in Specific Technologies, which engineers and supplies CSAs.

Author Contributions

Conceived and designed the experiments: CLL RAL SHL RAM PAR. Performed the experiments: CLL SHL NQ. Analyzed the data: BT SHL. Wrote the paper: CLL RAL SHL RAM NQ PAR BT.