Fanny Quandt, MD, Nina Meißner, Teresa Allegra Wölfer, Fabian Flottmann, MD, Milani Deb-Chatterji, MD, Lars Kellert, MD, Jens Fiehler, MD, Mayank Goyal, MD, Jeffrey L Saver, MD, Christian Gerloff, MD, Götz Thomalla, MD, Steffen Tiedt, MD, PhD, on behalf of the GSR investigators and the VISTA-Endovascular Collaborators.