paid publications
... that supplements and "symposia" published by academic journals may be paid publications, neither independently peer-reviewed nor edited by journal staff?
... that <a href="./Supplement_(publishing)" id="mwBTc" rel="mw:WikiLink" title="Supplement (publishing)">supplements</a> and "symposia" published by <a href="./Academic_journal" id="mwBTg" rel="mw:WikiLink" title="Academic journal">academic journals</a> may be <b id="mwBTk"><a href="./Conflicts_of_interest_in_academic_publishing" id="mwBTo" rel="mw:WikiLink" title="Conflicts of interest in academic publishing">paid publications</a></b>, neither independently peer-reviewed nor edited by journal staff?