Zhigang, about defining "esthablished", I am worried people may consider arbitrary your "definition" -- not me, you can do as you like!
But look that even somebody as weak as me could be in the list you propose!!, and for different criteria! Only Nix and Hutchinson really stand high in the lists as "esthablished". Incidentally, congratulations: the most cited paper of Hutchinson is that with you.
1) It may be useful to list the h index of all the imechanica users