[1] Marmara Univ, Dept Anesthesiol & Intens Care, Med Sch, Istanbul, Turkey
[2] Hlth Sci Univ, Kartal Dr Lutfi Kirdar City Hosp, Dept Anesthesiol & Intens Care, Istanbul, Turkey
[3] AOU Policlin San Marco, Dept Anesthesiol & Intens Care, Catania, Italy
[4] Bern Univ Hosp Inselspital, Dept Anesthesiol & Pain Therapy, Bern, Switzerland
[5] Sigmund Freud Univ, Sch Med, Vienna, Austria
[6] Hlth Sci Univ, Kartal Dr Lutfi Kirdar City Hosp, Dept Anesthesiol & Intens Care, Istanbul, Turkey