Plus, they intially published on the xB3/Mtfp peptide nearly 3 years ago in the MedImmune paper (below). Interestingly, in that paper from 3 years ago they cite this Eyford BA et al paper (published today) as being in revision. Here's a post of mine from May 2018 on this issue.
https://journals.sagepub.com/doi/full/10.1177/0271678X18772998