1. Department of Anaesthesiology and Intensive Care Medicine, Medical University of Innsbruck, Innsbruck, Austria
2. Department of Anaesthesiology and Critical Care Medicine, Academic Teaching Hospital Feldkirch, Feldkirch, Austria
3. Division of Anaesthesiology, Department of Anaesthesiology, Pharmacology, Intensive Care and Emergency Medicine, Geneva University Hospitals, Geneva, Switzerland;
4. Department of Anaesthesiology and Intensive Care Medicine, St. John of God Hospital Salzburg, Paracelsus Medical University Salzburg, Salzburg, Austria