Before revision:  After identification of these subnetworks, we analyze their individual topological aspects with respect to age and compare it to the rich-club topology, which we use to define three subnetworks (rich-club, feeder and seeder).
After revision:  We analyze the topological aspects of each subnetwork with respect to age and compare it to the rich-club topology, which we use to define three subnetworks (rich-club, feeder and seeder).