RT Journal Article SR Electronic T1 Correction JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP 292 OP 292 DO 10.1136/neurintsurg-2011-010097.74corr1 VO 3 IS 3 YR 2011 UL http://jnis.bmj.com/content/3/3/292.abstract AB