<% if concept.narrower_relations.any? %>
<% if(params[:published] == '0') %>
<%= treeview(concept.narrower_relations.published_with_newer_versions.map(&:target).sort_by(&:pref_label)) %>
<% else %>
<%= treeview(concept.narrower_relations.published.map(&:target).sort_by(&:pref_label)) %>
<% end %>
<% end %>