1. Department of Clinical Pharmacology Bispebjerg and Frederiksberg University Hospital Copenhagen NV Denmark
2. Department of Experimental and Clinical Pharmacology, College of Pharmacy University of Minnesota Minneapolis Minnesota USA
3. Neonatal Intensive Care Unit, Department of Paediatrics Aarhus University Hospital Aarhus N Denmark
4. Pediatric Clinical Pharmacology, Department of Pediatrics Wright State University Boonshoft School of Medicine Dayton Ohio USA
5. Department of Pediatrics Dayton Children's Hospital Dayton Ohio USA
6. Neonatal Intensive Care Unit Rigshospitalet Copenhagen Ø Denmark
7. Department of Medicinal Chemistry, College of Pharmacy University of Minnesota Minneapolis Minnesota USA
8. Division of Medical Laboratory Sciences, Department of Pathology University of Utah, School of Medicine Salt Lake City Utah USA
9. Division of Clinical Pharmacology Children's National Hospital Washington District of Columbia USA
10. Division of Paediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel University of Basel Basel Switzerland