Cluster contents and node-specific network metrics for the network graphs described in Figures 3 and 6.

<p><b>A:</b> Cluster level network graph shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051558#pone-0051558-g006" target="_blank">Figure 6</a>.</p><p><b>B.</b> Facet level network graph shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051558#pone-0051558-g003" target="_blank">Figure 3</a>. For item-level data (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051558#pone-0051558-g005" target="_blank">Figure 5</a>), see supporting information (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051558#pone.0051558.s002" target="_blank">Table S2</a>).