IMAGINER 2—improving accuracy with augmented realIty navigation system during placement of external ventricular drains over Kaufman's, Keen's, Kocher's and Frazier's point - Vychopen, Martin; Kropla, Fabian; Winkler, Dirk; Güresir, Erdem; Grunert, Ronny; Wach, Johannes (Frontiers in Surgery, 2025)