1. Stanford Stroke Center, Palo Alto, CA (P.S.).
2. Neurology Department, Hôpital Fondation A. de Rothschild, Paris, France (P.S.).
3. Institut de Psychiatrie et Neurosciences de Paris (IPNP), INSERM, Paris, France (P.S.).
4. Stroke Center EOC, Neurocenter of Southern Switzerland, Ospedale Regionale di Lugano, Ente Ospedaliero Cantonale, Lugano (C.W.C.).
5. Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland (C.W.C.).