Authors: C L Harden; K J Meador; P B Pennell; W A Hauser; G S Gronseth; J A French; S Wiebe; D Thurman; B S Koppel; P W Kaplan; J N Robinson; J Hopp; T Y Ting; B Gidal; C A Hovinga; A N Wilner; B Vazquez; L Holmes; A Krumholz; R Finnell; D Hirtz; C Le Guen Journal: Neurology Date: 2009-04-27 Impact factor: 9.910