[1] AOU Policlin Vittorio Emanuele Univ Hosp, Catania, Italy
[2] Univ G DAnnunzio, Dept Anesthesiol Perioperat Med Pain Therapy RRS, Chieti, Italy
[3] Johannes Gutenberg Univ Mainz, Univ Med, Klin Anasthesiol, D-55122 Mainz, Germany
[4] Univ Bern, Univ Hosp Bern, Dept Anesthesiol & Pain Therapy, Bern, Switzerland
[5] Hosp Univ Politecn La Fe, Dept Anesthesiol & Crit Care, Valencia, Spain
[6] DRK Kliniken Berlin Westend & Mitte, Klin Anasthesiol Schmerztherapie Intens & Notfall, OP Management, Berlin, Germany
[7] Bahcesehir Univ, VM Med Pk Hosp, Dept Anaesthesiol, Kocaeli, Turkey