PT - JOURNAL ARTICLE ED - , TI - Corrections AID - 10.1136/jnnp-2012-303524.167corr1 DP - 2012 Nov 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 1132--1132 VI - 83 IP - 11 4099 - http://jnnp.bmj.com/content/83/11/1132.2.short 4100 - http://jnnp.bmj.com/content/83/11/1132.2.full SO - J Neurol Neurosurg Psychiatry2012 Nov 01; 83