1. Division of Emergencies and Critical Care; Oslo University Hospital; Rikshospitalet Oslo Norway
2. Institute for Clinical Medicine; University of Oslo; Oslo Norway
3. Department of Pediatrics; Oslo University Hospital; Rikshospitalet Oslo Norway
4. Department of Pediatric Research; Oslo University Hospital; Rikshospitalet Oslo Norway
5. Department of Immunology; Oslo University Hospital; Rikshospitalet Oslo Norway
6. Section for Transplant Surgery; Oslo University Hospital; Rikshospitalet Oslo Norway
7. Intervention Center; Oslo University Hospital; Rikshospitalet Oslo Norway