[1] Inst Salud Carlos III, Ctr Invest Biomed Red Enfermedades Resp CIBERES, Madrid, Spain
[2] Vall dHebron Inst Res VHIR, Clin Res Epidemiol Pneumonia & Sepsis CRIPS, Barcelona, Spain
[3] Univ Montpellier Nimes, CHU Nimes, Anaesthesiol & Crit Care Div, Nimes, France
[4] Hop La Pitie Salpetriere, Dept Anesthesie Reanimat, Paris, France
[5] French Soc Anaesthesia & Intens Care Med SFAR, Jr Grp, Paris, France
[6] Gen Hosp Papageorgiou, Crit Care Dept, Thessaloniki, Greece
[7] Univ Hosp Geneva, Div Intens Care, Geneva, Switzerland
[8] Univ Western Australia, Sch Med, Perth, WA, Australia