Table 2. Models used to model PPI networks.

Network Model	Reference	Input Information
ER	Erdos-Renyi random graph model [17]	The number of edges and nodes
ER-DD	ER model with the same degree distribution as in original data [18]	The number of edges and nodes and the degree distribution
MDS-GEO	[15]	The connectivity matrix
SF	Scale-free Barabasi-Albert preferential attachment model [20]	The number of edges and nodes and the degree distribution
Sticky	Stickiness-index based model [21]	The number of edges and nodes and the degree of each individual node