1. Department of Anaesthesiology and Pain Medicine Inselspital, Bern University Hospital, University of Bern Bern Switzerland
2. Department of Anesthesiology Amsterdam University Medical Centers, Vrije Universiteit Amsterdam Amsterdam Netherlands
3. Department of Emergency Medicine Lindenhofgruppe Bern Bern Switzerland
4. Department of Procto‐Surgery, St. Marienhospital Vechta Academic Teaching Hospital of the MHH Hannover Vechta Germany
5. Department of Neurosurgery Kantonsspital Aarau Aarau Switzerland
6. Department of Neurosurgery, Neurocenter and Regenerative Neuroscience Cluster Inselspital, Bern University Hospital, University of Bern Bern Switzerland