https://www.nature.com/articles/s41551-017-0154-1
Authors. Salatino, J. W., Ludwig, K. A., Kozai, T. D. Y. & Purcell, E. K
Venue. Nature Biomedical Engineering 1:862–877
How the Institute flags it
frontier 1 time established 1 time
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.