Figure 4.
The image is a network visualization illustrating relationships among various individuals, likely authors or researchers, based on their connections. Each name is represented by a node, with varying sizes indicating the strength or significance of their connections. The layout suggests distinct clusters, with nodes in similar colors likely representing related groups or themes. Names are scattered across the space, with varying distances between them indicating different degrees of interconnectedness. The overall structure conveys a complex network of relationships without specific hierarchical arrangements or visual emphasis on any particular group. The tool used for the visualization is V O S viewer, as indicated in the bottom left corner.Co-authorship analysis
Source: Image based on VOSviewer elaboration