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Abundance of plasma-derived cfDNA across the five sampled time points. CfDNA abundance was measured by Qubit (A, B) and by ddPCR with TERT (C, D) or NAGK probes (E, F). For left panels, dashed lines represent the average of the four individuals and the shaded area corresponds to 95% confidence intervals. For right panels, the individual data points overlaying boxplots are color coded sequentially starting from the first blood draw of day 1.
