Reply to comment on 'The $\sigma$-meson: four-quark vs. two-quark components and decay width in a Bethe-Salpeter approach'

In a recent comment [1] Blankleider and Kvinikhidze claim that our work [2] is based on a set of inconsistent Bethe-Salpeter equations for the coupling of four-quark to two-quark states. Here we demonstrate that their argument is insubstantial.
Comment: 3 pages, 1 figure