[1] Copenhagen Univ Hosp, Dept Intens Care, Rigshosp, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
[2] Collaborat Res Intens Care CRIC, Copenhagen, Denmark
[3] Copenhagen Univ Hosp, Dept Cardiothorac Anaesthesia & Intens Care, Rigshosp, Copenhagen, Denmark
[4] Copenhagen Univ Hosp, Ctr Clin Intervent Res, Copenhagen Trial Unit, Rigshosp, Copenhagen, Denmark
[5] Univ Copenhagen, Dept Publ Hlth, Sect Biostat, Copenhagen, Denmark
[6] Karolinska Inst, Dept Clin Sci & Educ, Sect Anaesthes & Intens Care, Sodersjukhuset, Stockholm, Sweden
[7] Oslo Univ Hosp, Dept Anaesthesiol & Intens Care Med, Div Emergencies & Crit Care, Rikshospit, Oslo, Norway
[8] Oslo Univ Hosp, Dept Res & Dev, Div Emergencies & Crit Care, Rikshosp, Oslo, Norway
[9] Univ Bern, Univ Hosp Bern Inselspital, Dept Intens Care Med, Bern, Switzerland
[10] Charles Univ Prague, Teaching Hosp & Biomed Ctr Pilsen, Fac Med, Medical Intens Care Unit,Dept Internal Med 1,Fac, Plzen, Czech Republic
[11] Guys & St ThomasHosp, Dept Intens Care, London, England
[12] Intens Care Natl Audit & Res Ctr ICNARC, Clin Trial Unit, London, England
[13] Humanitas Univ Pieve Emanuele, Dept Biomed Sci, Milan, Italy
[14] Humanitas Res Hosp, Anaesthesia & Intens Care Med IRCCS, Milan, Italy
[15] Univ Hosp Brussels UZB, Dept Intens Care Med, Jette, Belgium
[16] Vrije Univ Brussel VUB, Fac Med & Pharm, Brussels, Belgium
[17] Med Univ Lublin, Dept Anaesthesiol & Intens Therapy 1, Lublin, Poland
[18] Karolinska Univ Hosp Huddinge, Dept Perioperat Med & Intens Care, Stockholm, Sweden
[19] Copenhagen Univ Hosp, Dept Anaesthesia & Intens Care, Bispebjerg, Copenhagen, Denmark
[20] Copenhagen Univ Hosp North Zealand, Dept Anaesthesia & Intens Care, Hillerod, Denmark
[21] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark
[22] Zealand Univ Hosp, Dept Anaesthesia & Intens Care, Koge, Denmark
[23] Zealand Univ Hosp, Dept Anaesthesia & Intens Care, Roskilde, Denmark
[24] Rigshosp, Copenhagen Acad Med Educ & Simulat, Copenhagen, Denmark
[25] Randers Cent Hosp, Dept Anaesthesia & Intens Care, Randers, Denmark
[26] Herning Hosp, Dept Anaesthesia & Intens Care, Herning, Denmark
[27] Viborg Hosp, Dept Anaesthesia & Intens Care, Viborg, Denmark
[28] Univ Hosp Southern Denmark, Dept Anaesthesia & Intens Care, Odense, Denmark
[29] Holbaek Cent Hosp, Dept Anaesthesia & Intens Care, Holbaek, Denmark
[30] Basel Univ Hosp, Intens Care Unit, Basel, Switzerland
[31] Humanitas Gavazzeni Hosp Bergamo, Dept Anaesthesia & Intens Care, Bergamo, Italy
[32] Aalborg Univ Hosp, Dept Anaesthesia & Intens Care, Aalborg, Denmark
[33] Hosp Innland Hamar, Dept Intens Care, Hamar, Norway
[34] Hosp Ostfold Kalnes, Dept Anesthesia & Intens Care Med, Gralum, Norway
[35] Stavanger Univ Hosp, Dept Intens Care Med, Stavanger, Norway
[36] Karolinska Univ Hosp, Dept Perioperat Med & Intens Care, Solna, Sweden
[37] Karolinska Inst, Ctr Resuscitat Sci, Dept Clin Sci & Educ, Med Intens Care Unit,Sodersjukhuset, Solna, Sweden
[38] Capio St Gorans Hosp, Dept Emergency Med, Stockholm, Sweden
[39] Capio St Gorans Hosp, Dept Anaesthes & Intens Care, Stockholm, Sweden
[40] Univ Politecn Marche, Dept Biomed Sci & Publ Hlth, Ancona, Italy
[41] Humanitas Res Hosp, Anesthesia & Intens Care Unit, Castellanza, Italy
[42] Azienda Osped Univ Marche, Anesthesia & Intens Care Unit, Ancona, Italy
[43] King Chulalongkorn Mem Hosp, Fac Med, Excellence Ctr Crit Care Nephrol, Div Nephrol, Bangkok, Thailand
[44] Oslo Univ Hosp, Dept Res & Dev, Div Emergencies & Crit Care, Oslo, Norway
[45] Univ Oslo, Inst Clin Med, Oslo, Norway
[46] Oslo Univ Hosp Ulleval, Dept Anesthesia & Intens Care, Oslo, Norway