Fig. 5

Institutional collaboration network (cluster 1: 5[red], Cluster 2: 2[blue], Cluster 3: 7[green], and Cluster 4: 5[purple]). Source: Bibliosiphiny compilation (set at top 20 collaborations) form Web of Science database
Institutional collaboration network (cluster 1: 5[red], Cluster 2: 2[blue], Cluster 3: 7[green], and Cluster 4: 5[purple]). Source: Bibliosiphiny compilation (set at top 20 collaborations) form Web of Science database