1. Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
2. Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
3. Division of ENT Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska institutet, Stockholm, Sweden
4. Department of Otorhinolaryngology, Head and Neck Surgery, Karolinska University Hospital, Stockholm, Sweden
5. Intensive Care Unit, Capio Saint Göran’s Hospital, Stockholm, Sweden