1. From the Department of Neuroradiology (C.A.T., H.U., S.E.) and Clinical Trials Unit (E.G.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany; Department of Intracranial Endovascular Therapy, Alfried-Krupp Krankenhaus, Essen, Germany (R.C.); Department of Neuroradiology, Centre Hospitalier Universitaire Montpellier, France (V.C., P.M., A.B.); Department of Neuroradiology, Centre Hospitalier Universitaire Caen, France (P.C.); Department of Neuroradiology,...