Global trends and hotspots of type 2 diabetes in children and adolescents: A bibliometric study and visualization analysis

Figure 3 Contribution of different countries to the study of type 2 diabetes mellitus in children and adolescents. A: Map of country collaborations related to type 2 diabetes mellitus in children and adolescents. The circles in the graph represent countries and the lines between the circles represent collaborations between countries; B: Timeline of national policy issuance; C: World map of the intensity of cooperation between countries; D: A circle diagram that evaluates international collaboration between clusters; E: Top 10 in terms of co-citation frequency; F: Top 10 countries for H-index.