1. Department of Anesthesia and Intensive Care; Odense University Hospital; Odense C Denmark
2. Clinical Institute - Anesthesiology; University of Southern Denmark; Odense C Denmark
3. Institute of Public Health - Epidemiology, Biostatistics and Biodemography; University of Southern Denmark; Odense C Denmark
4. Department of Anesthesia; The Juliane Marie Center; Copenhagen University Hospital - Rigshospitalet; Copenhagen Denmark
5. Department of Anesthesia; Royal Hospital for Sick Children; Glasgow UK
6. Department of Clinical Biochemistry and Pharmacology; University of Southern Denmark; Odense C Denmark
7. Department of Clinical Genetics; University of Southern Denmark; Odense C Denmark