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Panel A represents the distribution of ages of undisclosed YLWH before the start of the QI project, in July 2018. Panel B represents the distribution of undisclosed YLWH after the end of the QI project, in March 2020. The x-axes represent the age of YLWH, and the y-axes represent the number of undisclosed YLWH for each age. Undisclosed YLWH aged ≥11 years are represented to the right of the red vertical line.
