RT Journal Article SR Electronic T1 Correction JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP 245 OP 245 DO 10.1136/jnis.2011.004762corr1 VO 3 IS 3 YR 2011 UL http://jnis.bmj.com/content/3/3/245.abstract AB