Published on in Vol 23, No 5 (2021): May
1 Institute of Anesthesiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
2 Department of Epidemiology, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
3 Institute of Anesthesiology and Pain Therapy, Cantonal Hospital Winterthur, Winterthur, Switzerland
4 Department of Anesthesiology, Intensive Care, Emergency, and Pain Medicine, University Hospital Wuerzburg, University of Wuerzburg, Wuerzburg, Germany
5 Department of Anesthesiology, Intensive Care Medicine, and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
6 Department of Anesthesiology, Intensive Care Medicine, and Pain Therapy, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain