[1] Natl & Kapodistrian Univ Athens, Sch Med, Attikon Univ Hosp, Dept Neurol 2, Athens, Greece
[2] Univ Tennessee, Hlth Sci Ctr, Dept Neurol, Memphis, TN USA
[3] Ruhr Univ, St Josef Hosp, Dept Neurol, Bochum, Germany
[4] Univ Ioannina, Dept Primary Educ, Ioannina, Greece
[5] Univ Paris 05, Fac Med, Paris, France
[6] Natl & Kapodistrian Univ Athens, Attikon Univ Hosp, Dept Internal Med 2, Res Unit, Athens, Greece
[7] Natl & Kapodistrian Univ Athens, Attikon Univ Hosp, Dept Internal Med 2, Diabet Ctr, Athens, Greece
[8] Univ Hosp North Midlands, Stoke On Trent, Staffs, England
[9] Keele Univ, Keele, Staffs, England
[10] Univ Aberdeen, Div Appl Med, Foresterhill, Scotland
[11] Charles Univ Prague, Fac Med Pilsen, Dept Neurol, Plzen, Czech Republic
[12] Azienda Osped Univ Integrata Verona, Stroke Unit, Verona, Italy
[13] Hosp Ceske Budejovice, Dept Neurol, Statutory City, Czech Republic
[14] Univ Roma La Sapienza, Dept Human Neurosci, Neurovasc Unit, Policlin Umberto 1, Rome, Italy
[15] Karolinska Univ Hosp Solna, Dept Neurol, Stockholm, Sweden
[16] Karolinska Inst, Dept Clin Neurosci, Stockholm, Sweden