1. Section for Anesthesiology and Intensive Care Medicine; Department of Physiology and Pharmacology; Karolinska Institutet; Stockholm Sweden
2. Department of Anesthesiology, Surgical Services and Intensive Care; Karolinska University Hospital; Stockholm Sweden
3. Department of Otorhinolaryngology (ENT); Karolinska University Hospital; Stockholm Sweden
4. Department of Physiology and Pharmacology; Karolinska Institutet; Stockholm Sweden
5. Institute for Integrative Physiology & Center for Systems Biology of O2 Sensing, Biological Sciences Division; University of Chicago; Chicago IL USA
6. Department of Cell and Molecular Biology; Karolinska Institutet; Stockholm Sweden