1. Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Inselspital, Bern University Hospital, Bern, Switzerland
2. Anesthesia, Critical care and Pain Department, Hospital General Universitario De Valencia, Universidad Europea de Valencia, Valencia, Spain
3. Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Inselspital, Bern University Hospital, Bern
4. Department of Anaesthesiology, Cantonal Hospital of St. Gallen, St. Gallen
5. Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland