Statistics from Altmetric.com
Handling editor Jackie A Cassell
Contributors JEL and CSB devised the model and ran the service. They also cowrote the paper with MD and MS. MD, MS and SPS compiled the figures, tables and statistics. DPB and PBL delivered the model and suggested modifications. The British military chain of command approved the paper.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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