[1] Linkoping Univ, Fac Hlth Sci, Inst Clin & Expt Med, Div Infect Dis, Linkoping, Sweden
[2] Policlinico Univ A Gemelli, Univ Cattolica Sacro Cuore, Rome, Italy
[3] Univ Queensland, Royal Brisbane & Womens Hosp, Dept Intens Care Med, Herston, Qld, Australia
[4] Radboud Univ Nijmegen Med Ctr, Dept Intens Care Med, Nijmegen, Netherlands
[5] Aix Marseille Univ, AP HM Unite Rech Malad Infectieuses & Transmissib, Hop Nord, Dept Intens Care & Anesthesiol, Marseille, France
[6] Univ Autonoma Barcelona, VHIR, CIBERES, Crit Care Dept,Vall Hebron Univ Hosp, E-08193 Barcelona, Spain
[7] Univ Jena, Dept Anesthesiol & Intens Care, Jena, Germany
[8] Linkoping Univ, Fac Hlth Sci, Dept Med & Hlth, Div Cardiovasc Med, Linkoping, Sweden
[9] Univ Lyon 1, Hosp Civils Lyon, Groupement Hosp Edouard Herriot, Serv Hygiene Epidemiol & Prevent, F-69365 Lyon, France
[10] Univ Libre Bruxelles, Erasme Hosp, Dept Intens Care, Brussels, Belgium