1. From the Institut und Poliklinik für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum Carl Gustav Carus, Dresden, Germany (R.v.K.); Departments of Neurology and Rehabilitation Medicine and Radiology, University of Cincinnati, OH (J.P.B.); Department of Medicine and Neurology, Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia (B.C.V.C.); Department of Radiology and Clinical Neurosciences, University of Calgary,...