[1] Democritus Univ Thrace, Dept Neurol, Alexandroupolis, Greece
[2] Univ Athens Sch, Sch Med, Dept Surg 3, Vasc Unit, Athens, Greece
[3] Univ Athens Sch, Sch Med, Dept Neurol 2, Athens, Greece
[4] Democritus Univ Thrace, Dept Vasc Surg, Alexandroupolis, Greece