Commentary: Double-Barrel Extracranial–Intracranial Bypass and Trapping of Dolichoectatic Middle Cerebral Artery Aneurysms: 3-Dimensional Operative Video. Issue 1 (8th July 2019) - Schirmer, Clemens M; Griessenauer, Christoph J; Dalal, Shamsher S; Weiner, Gregory; Goren, Oded