[1] Univ Hosp Herakl, Dept Emergency Med, Iraklion, Greece
[2] Univ Crete, Fac Med, Iraklion, Crete, Greece
[3] Royal Lancaster Infirm, Lancaster, England
[4] Univ Hosp Herakl, Dept Internal Med, Iraklion, Greece
[5] Univ Hosp Herakl, Dept Anaesthesiol, Iraklion, Greece