Table 3.

Summary of centrality parameter interpretation (adapted from [34]).

Centrality parameter	Description	Justification
Degree centrality	The number of a network actor's direct contacts	This parameter is useful in evaluating the ability of an actor to contact others in the network directly.
Closeness centrality	Indicates how closely a member is connected to all other members in the network	This parameter helps to identify the actors who take a central position in the network and can communicate with the help of a few intermediaries
Betweenness centrality	Evaluate actors who mediate more connections in the network (network controllers)	This parameter indicates the degree of control a member has over the information flow based on his position in the network
Eigenvector centrality	Measures the node influence in a network	This parameter helps to identify most influential nodes in the communication network