[1] Evangel Hosp Vienna, Dept Anaesthesiol & Intens Care, Hans Sachs Gasse 10-12, A-1180 Vienna, Austria
[2] Glenfield Hosp, Dept Anaesthesiol & Intens Care, Leicester, Leics, England
[3] Univ Hosp Copenhagen, Dept Anaesthesiol, Copenhagen, Denmark
[4] CHU Grenoble Hop, Dept Anaesthesiol & Intens Care, Grenoble, France
[5] Hosp Univ Rio Hortega, Dept Anaesthesiol & Intens Care, Valladolid, Spain
[6] Lithuanian Univ Hlth Sci, Dept Gen Surg, Kaunas, Lithuania
[7] Univ Hosp Federico II, Dept Anaesthesiol & Intens Care, Naples, Italy
[8] Boston Childrens Hosp, Dept Anaesthesiol, Boston, MA USA
[9] Emergency Inst Cardiovasc Dis, Dept Anaesthesiol & Intens Care, Bucharest, Romania
[10] Univ Hosp Innsbruck, Dept Anaesthesiol, Innsbruck, Austria
[11] Childrens Univ Hosp Zurich, Dept Anaesthesiol, Zurich, Switzerland
[12] Klinikum Straubing, Dept Anaesthesiol & Intens Care, Straubing, Germany
[13] Maastricht Univ, Dept Anaesthesiol & Pain Med, Med Ctr, Maastricht, Netherlands
[14] Hosp Clin Univ Valencia, Dept Anaesthesiol & Intens Care, Valencia, Spain
[15] Royal Free Hosp, Dept Anaesthesia, London, England
[16] Gen Hosp Linz, Dept Anaesthesiol & Intens Care, Linz, Austria
[17] Univ Hosp Szeged, Dept Anaesthesiol & Intens Care, Szeged, Hungary
[18] Franziskus Hosp, Dept Anaesthesiol & Intens Care, Bielefeld, Germany
[19] Grp Hosp Cochin, Dept Anaesthesiol & Intens Care, Paris, France
[20] CHU Brugmann, Dept Anaesthesiol, Brussels, Belgium
[21] Herlev Univ Hosp, Dept Anaesthesiol, Herlev, Denmark
[22] Ghent Univ Hosp, Dept Anaesthesiol, Ghent, Belgium
[23] Univ Frankfurt Main, Dept Anaesthesiol & Intens Care, Frankfurt, Germany