Supplementary Fig. 2Effect of collagen concentration on angiogenesis in mice aortic rings. The summary data of the aortic ring angiogenesis assays are shown in the form of box (median and interquartile ranges) and whisker (95% range) graphs. Each data-point represents an aortic ring with experiments performed in multiple replicates [6], [7], [8], [9], [10], [11], [12] with at least three biological replicates using different Collagen concentrations to embed the aortic rings. Statistical analyses were performed by Kruskal-Wallis test with Dunn's post-hoc multiple comparison. *p < 0.05, **P < 0.01, ***p < 0.001.