1. Neurology Unit, Stroke Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy
2. Stroke Unit, Azienda Ospedaliera San Camillo Forlanini, Roma, Italy
3. Department of Neurology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
4. Department of Neurology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, Denmark