1. National Maternity Hospital, Dublin, Ireland
2. School of Medicine, University College Dublin, Dublin, Ireland
3. National Children’s Research Centre, Dublin, Ireland
4. Coombe Women and Infants University Hospital, Dublin, Ireland
5. Paediatric Research Group, Faculty of Health Sciences, UiT–The Arctic University of Norway, Tromsø, Norway
6. Department of Pediatrics and Adolescence Medicine, University Hospital of North Norway, Tromsø, Norway
7. Haukeland University Hospital, Bergen, Norway
8. Centre Hospitalier Universitaire de Liège, Liège, Belgium
9. Charles University, Prague, Czech Republic
10. Karolinska University Hospital, Stockholm, Sweden
11. Karolinska Institutet, Stockholm, Sweden
12. Hospital de Braga, Braga, Portugal
13. University Hospital Brno, Brno, Czech Republic
14. Clinical Research Centre, School of Medicine, University College Dublin, Dublin, Ireland