[1] Sismanogleio Gen Hosp Athens, Dept Gen Surg 2, Athens, Greece
[2] Univ Hosp Crete, Emergency Dept, Iraklion, Greece
[3] Sismanogleio Gen Hosp Athens, Emergency Dept, Athens, Greece
[4] Univ Laval, Fac Med, Quebec City, PQ, Canada
[5] Quebec Mental Hlth Inst, CERVO Brain Res Ctr, Quebec City, PQ, Canada
[6] Univ Hosp Crete, Dept Internal Med, Iraklion, Greece