Ou, Alexander A; Sumrall, Ashley A; Phuphanich, Surasak S; Spetzler, David D; Gatalica, Zoran Z; Xiu, Joanne J; Michelhaugh, Sharon S; Brenner, Andrew A; Pandey, Manjari M; Kesari, Santosh S; Korn, W Michael WM; Mittal, Sandeep S; Westin, Jason J; Heimberger, Amy B AB