Figure 4.
The network map presents countries as nodes connected by lines indicating relationships. United states, united kingdom, and australia appear as large central nodes with multiple connections. United states connects to china, hong kong, taiwan, switzerland, and russian federation. The United kingdom connects to portugal, poland, egypt, and canada. Australia connects to united arab emirates, malaysia, and romania. Canada connects to france and the netherlands. Additional nodes include ireland, spain, turkey, kuwait, and jordan.Co-author countries map