Before revision:  Towards this end, the recently developed two-moment approximation (2MA) is a promising approach, accounting for the coupling between the means and ( co)variances. It is this influence of ( co)variance on the mean behaviour, which cannot be represented by conventional ODE models.
After revision:  Towards this end, the recently developed two-moment approximation (2MA) is a promising approach, accounting for the coupling between the means and ( co)variance on the mean behaviour, which cannot be represented by conventional ODE models.