“…Outcomes measured from all studies included knowledge, attitude, perception/perceived barriers or advantages, SDF professional behavior or usage, and possible related associations. However, when analyzed, half of the selected studies did not categorize all variables according to the specific knowledge, attitude, or perception domains [ 22 , 23 , 25 , 26 , 29 , 30 , 31 ]. Therefore, for these studies, a discussion between two reviewers (I.E.M.…”