Intraoperative in vivo confocal endomicroscopy of the glioma margin: performance assessment of image interpretation by neurosurgeon users oleh Yuan Xu, Thomas J. On, Irakliy Abramov, Francesco Restelli, Evgenii Belykh, Andrea M. Mathis, Jürgen Schlegel, Ekkehard Hewer, Bianca Pollo, Theoni Maragkou, Karl Quint, Randall W. Porter, Kris A. Smith, Mark C. Preul