[1] Oslo Univ Hosp, Dept Neurol, Postboks 4950, N-0424 Oslo, Norway
[2] Univ Lisbon, Hosp Santa Maria, Dept Neurosci Neurol, Lisbon, Portugal
[3] Bispebjerg Hosp, Dept Neurol, Copenhagen, Denmark
[4] Univ Copenhagen, Copenhagen, Denmark
[5] Univ Lille, Dept Neurol, Lille, France
[6] Univ Hosp Bern, Dept Neurol, Bern, Switzerland
[7] Univ Hosp Zurich, Dept Neurol, Zurich, Switzerland
[8] Lund Univ, Skane Univ Hosp Malmo, Dept Neurol, Dept Clin Sci, Malmo, Sweden
[9] Univ Belgrade, Fac Med, Clin Ctr Serbia, Neurol Clin, Belgrade, Serbia
[10] Univ Nottingham, Div Clin Neurosci, Nottingham, England
[11] Univ Utrecht, Univ Med Ctr Utrecht, Brain Ctr Rudolf Magnus, Dept Neurol & Neurosurg, Utrecht, Netherlands
[12] Azienda Unita Sanit Locale IRCCS, Arcispedale Santa Maria Nuova, Neurol Unit, Stroke Unit, Reggio Emilia, Italy
[13] Univ Perugia, Stroke Unit, Santa Maria della Misericordia, Perugia, Italy