1 Department of Critical Care, University Hospital ATTIKON, National and Kapodistrian University of Athens, 1 Rimini str. Haidari, 12462, Athens, Greece. gdimop@med.uoa.gr.
2 Department of Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey.
3 Ciberes, Instituto Salud Carlos III & Vall D'Hebron Research Institute (VHIR), Barcelona, Spain.
4 Scientific Collaborator, Clinical Research in ICU, CHU Nîmes, University Montpellier, Montpellier, France.
5 3rd Department of Internal Medicine, SOTIRIA Hospital, National and Kapodistrian University of Athens, Athens, Greece.