1. Department of Pharmacy & Clinical Pharmacology, Amsterdam University Medical Center, Amsterdam, the Netherlands;
2. Department of Neonatology, Emma Children's Hospital, Amsterdam University Medical Center, Amsterdam, the Netherlands;
3. Department of Neonatology, Wilhelmina Children's Hospital, Utrecht, The Netherlands;
4. UMC Utrecht Brain Center, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands;
5. Division of Neonatology, Department of Pediatrics, University Medical Center Groningen, Beatrix Children's Hospital, University of Groningen, Groningen, the Netherlands;
6. Department of Neonatology, Radboud University Medical Center, Radboud Institute for Health Sciences, Amalia Children's Hospital, Nijmegen, The Netherlands;
7. Department of Neonatal and Pediatric Intensive Care, Division of Neonatology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands;
8. Department of Neonatology, Máxima Medical Center Veldhoven, Veldhoven, The Netherlands;
9. Department of Neonatology, Isala Clinics, Zwolle, The Netherlands;
10. Department of Neonatology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, The Netherlands; and
11. Department of Neonatology, Vrije Universiteit Brussel, Brussels, Belgium.