RT Journal Article SR Electronic T1 Correction JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP 286 OP 286 DO 10.1136/neurintsurg-2011-010243corr2 VO 4 IS 4 YR 2012 UL http://jnis.bmj.com/content/4/4/286.abstract AB