From the Paris-Cité University (R.Z., J.L., H.C.), Inserm U1141 NeuroDiderot, France; Department of Radiology (R.Z.), the Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, China; Department of Neurology (C.-H.C., Y.-W.C., S.-C.T.), National Taiwan University Hospital, Taipei; Department of Clinical Neurosciences (C.-H.C.), University of Calgary, Alberta, Canada; Sorbonne Université (S.T.D.M.), Paris Brain Institute, INSERM, INRIA, CNRS, APHP; Lariboisière University Hospital (J.L., H.C.), APHP, Translational Neurovascular Centre and Department of Neurology, Reference Center for Rare Vascular Diseases of the Central Nervous System and the Retina (CERVCO), FHU NeuroVasc, Paris, France; Department of Neurology (Y.-W.C.), National Taiwan University Hospital Hsinchu Branch; Institute for Stroke and Dementia Research (M.D.), University Hospital, Ludwig Maximilian University, Munich; German Center for Neurodegenerative Diseases (DZNE) (M.D.), Munich; and Munich Cluster for Systems Neurology (SyNergy) (M.D.), Germany.