https://www.mdpi.com/2076-3425/10/12/917
Authors. Sinitsyn, D. et al
Venue. Brain Sciences
How the Institute flags it
established 2 times frontier 2 times
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.