1. End-of-Life Care Research Group, Vrije Universiteit Brussel and Ghent University, Ghent, Belgium
2. Department of Public Health and Primary Care, Ghent University, Ghent, Belgium
3. Department of Neonatology, University Hospital Brussels, Vrije Universiteit Brussel, Brussels, Belgium
4. Department of Neonatology, Ghent University Hospital, Ghent, Belgium
5. Department of Development and Regeneration, KU Leuven, Leuven
6. Department of Neonatology, Antwerp University Hospital, Edegem, Antwerp, Belgium
7. Department of Neonatology, AZ Sint-Jan Brugge-Oostende, Brugge, Belgium
8. Research Department Belgian Poison Centre, Brussels, Belgium
9. Department of Maternity, AZ Sint-Jan Brugge-Oostende, Oostende, Belgium