1. Department of Physiology and Pharmacology Karolinska Institutet Stockholm Sweden
2. Hyperbaric Medicine Perioperative Medicine and Intensive Care Karolinska University Hospital Stockholm Sweden
3. Neuropediatric unit The Institution for Women´s and Children´s Health Karolinska Institutet Stockholm Sweden
4. Division of Infectious Diseases Department of Medicine Solna Karolinska Institutet Stockholm Sweden
5. Department of Infectious Diseases Karolinska University Hospital Stockholm Sweden
6. Department of Neurosurgery Karolinska University Hospital Stockholm Sweden
7. Department of Clinical Neuroscience Karolinska Institutet Stockholm Sweden
8. Department of Neurosurgery Rigshospitalet Copenhagen Denmark
9. Division of hyperbaric medicine Department of Emergency Medicine School of Medicine University of California San Diego La Jolla California USA