Cited by name. No followable URL — the bibliographic record is the citation.
Authors. Horvath, J. C., Forte, J. D., Carter, O
Venue. Brain Stimulation
How the Institute flags it
established 2 times frontier 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.