1. Department of Brain and Behavioral Sciences, University of Pavia, Italy (B.D.B., A.P., F.M.).
2. Department of Stroke Unit and Emergency Neurology (B.D.B., A.C., F.M.), IRCCS Mondino Foundation, Pavia, Italy.
3. Department of Neuroradiology (E.M., A.P.), IRCCS Mondino Foundation, Pavia, Italy.