[1] Gen Hosp Katerini, Katerini, Greece
[2] Natl & Kapodistrian Univ Athens, Dept Nursing, Athens, Greece
[3] Univ Patras, Sch Med, Dept Neurol, Patras, Greece
[4] Frederick Univ, Limassol, Cyprus
[5] Hippocratio Gen Hosp, Emergency Dept, Athens, Greece
[6] 123 Papadiamantopoulou St, Athens 11527, Greece