PT - JOURNAL ARTICLE ED - , TI - Calendar AID - 10.1212/WNL.0b013e3181ad48f4 DP - 2009 Jun 16 TA - Neurology PG - 2140--2141 VI - 72 IP - 24 4099 - http://n.neurology.org/content/72/24/2140.short 4100 - http://n.neurology.org/content/72/24/2140.full SO - Neurology2009 Jun 16; 72