PT - JOURNAL ARTICLE ED - American Society of Neuroradiology TI - Erratum AID - 10.3174/ajnr.A3203 DP - 2012 May 31 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2012/05/31/ajnr.A3203.short 4100 - http://www.ajnr.org/content/early/2012/05/31/ajnr.A3203.full