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In spite of certain similarities, these two corrections are shown to have substantial differences: The form factor correction is dominated by the collinear light-cone configuration of 3BS: $z_\\mu= u x_\\mu$, $0 < u < 1$, $x^2=0$. 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In spite of certain similarities, these two corrections are shown to have substantial differences: The form factor correction is dominated by the collinear light-cone configuration of 3BS: $z_\\mu= u x_\\mu$, $0 < u < 1$, $x^2=0$. 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