Before revision:  Previous methods that have been used in order to include domain growth to on-lattice reaction-diffusion models cause a build up of particles on the boundaries of the domain, which is particularly obvious when diffusion is low  .
After revision:  Previous methods that have been used in order to include domain growth to on-lattice reaction-diffusion models cause a build up of particles on the boundaries of the domain, which is particularly obvious when diffusion is low in comparison to the rate of domain growth .