Eur J Anaesthesiol 2017 11;34(11):709-712
From the Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland (EM, SD-K), Department of Anaesthesiology and Perioperative Medicine, Ghent University Hospital, Ghent, Belgium (EM, SDH), Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland (SD-K), Department of Clinical Research, University of Basel, Basel, Switzerland (SD-K), Department of Anaesthesiology, Cantonal Hospital of St. Gallen, St. Gallen, Switzerland (MF), Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University of Basel Medical School, Basel, Switzerland (MF, MDS), Leeds Institute of Biomedical and Clinical Sciences, St James's University Hospital, Leeds, UK (SH), Department of Anaesthesia and Intensive Care I, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania (DI), Outcome Research Consortium, Cleveland, Ohio, USA (DI), Department of Anesthesiology Hirslanden Klinik, Zurich, Switzerland (MDS), Division of Intensive Therapy and Perioperative Medicine, Department of Medicine, Jagiellonian University Medical College, Krakow, Poland (WS) and Department of Anaesthesiology, Düsseldorf University Hospital, Düsseldorf, Germany (GALLB).