1 Intensive Care Units, Department of Anesthesiology, Perioperative and General Intensive Care Medicine, University Hospital Salzburg and Paracelsus Private Medical University, Salzburg, Austria. M.Duenser@salk.at.
2 Department of Intensive Care, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
3 Department of Intensive Care Medicine, Bern University Hospital (Inselspital), University of Bern, Bern, Switzerland.
4 Division of Intensive Care Medicine, Department of Perioperative, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.