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Relaxation times T1 (a), T2∗ (b), and T1/T2∗ ratio (c) for the different animal groups. Data graphed as median, minimum to maximum with all values, and 25% and 75% percentile label displayed. Asterisks indicate significant differences demonstrated by one-way ANOVA, ∗P < 0.01, ∗∗P < 0.005, ∗∗∗P < 0.001, and ∗∗∗∗P < 0.0001; n.s.: not significant.
