1 Neurovascular Unit, Department of Neurology, APHP-Hôpital Lariboisière, University Paris Diderot-Sorbonne Paris Cité, Paris, France; Stroke Center, Columbia University Medical Center, New York, NY, USA. Electronic address: christian.stapf@lrb.aphp.fr.
2 InCHOIR, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
3 Stroke Center, Columbia University Medical Center, New York, NY, USA.