1. Division of Neonatology, Department of Pediatrics, Erasmus Medical Center–Sophia Children's Hospital, Rotterdam, Netherlands
2. Business Unit Prevention and Healthcare, Netherlands Organization for Applied Research Quality of Life, Leiden, Netherlands
3. Royal Effatha Guyot Group, Zoetermeer, Netherlands
4. VU University Medical Center, Amsterdam, Netherlands
5. Leiden University Medical Center, Leiden, Netherlands
6. University Medical Center Groningen, Beatrix Children's Hospital, Groningen, Netherlands
7. Emma Children's Hospital Academic Medical Center, Amsterdam, Netherlands
8. Máxima Medical Center, Veldhoven, Netherlands
9. University Medical Center St Radboud, Nijmegen, Netherlands
10. University Hospital Maastricht, Maastricht, Netherlands
11. Isala Clinics, Zwolle, Netherlands
12. Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands