PT - JOURNAL ARTICLE ED - , AID - 10.1212/WNL.0b013e31823e23d6 DP - 2011 Dec 06 TA - Neurology PG - 2075--2075 VI - 77 IP - 23 4099 - http://n.neurology.org/content/77/23/2075.short 4100 - http://n.neurology.org/content/77/23/2075.full SO - Neurology2011 Dec 06; 77