Fig. 2

The central and bridge symptom of the MUD-GD network. a The node expected influence plot. The X-rays represent the expected influence of each node. Nodes with higher expected influence have stronger impact on other nodes within the network. b The bridge expected influence plot. The X-rays represent the bridge-expected influence of each node. Nodes with higher bridge-expected influence are recognized as bridge symptoms that may drive the co-occurrence of MUD and GD