Before revision:  Three growth regimes (quadratic, power-law and exponential) emerge naturally from our simulations , which suggest that the  containment of the disease within China was close to the quadratic limit and could not have been significantly improved upon.
After revision:  Three growth regimes (quadratic, power-law and exponential) emerge naturally from our simulations , which suggest that the containment of the disease within China was close to optimal and could not have been significantly improved upon.