Predictors of good clinical outcomes, mortality, and successful revascularization in patients with acute ischemic stroke undergoing thrombectomy: pooled analysis of the Mechanical Embolus Removal in Cerebral Ischemia (MERCI) and Multi MERCI Trials - Nogueira, RG; Liebeskind, DS; Sung, G; Duckwiler, G; Smith, WS (Stroke, 2009)