Before revision:  Next to the mechanical components such as strain and displacements, the model accounts for biological parameters such as the concentration of chemokines , the cellular densities of fibroblasts and myofibroblasts, and the density of collagen.
After revision:  Next to the mechanical components such as strain and displacements, the model accounts for biological constituents such as the concentration of chemokines , the cellular densities of fibroblasts and myofibroblasts, and the density of collagen.