1. Clinical Pharmacology and Pharmacy, Department of Public Health, University of Southern Denmark, J. B. Winsløws Vej 19, 2. 5000 Odense C, Denmark
2. Department of Public Health, University of Southern Denmark, Odense, Denmark
3. Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark
4. Department of Neonatology, Copenhagen University Hospital, Copenhagen, Denmark
5. Department of Paediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
6. Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark Department of Clinical Research, University of Southern Denmark, Odense, Denmark
7. Amgros I/S, Copenhagen, Denmark
8. Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark