1. EPIUnit Instituto de Saúde Pública, Universidade do Porto Porto Portugal
2. Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional (ITR) Porto Portugal
3. Université Paris Cité, Inserm, INRAE, Centre for Research in Epidemiology and StatisticS (CRESS) Obstetrical Perinatal and Pediatric Epidemiology Research Team, EPOPé Paris France
4. Department of Women's and Children's Health Karolinska Institutet Stockholm Sweden
5. Department of Neonatal Medicine Karolinska University Hospital Stockholm Sweden
6. Department of Medicine & Population Health, Faculty of Medicine & Health Sciences University of Antwerp Antwerp Belgium
7. Saarland University Medical Center Department für General Pediatrics and Neonatology Homburg Germany
8. Clinical Care and Management Innovation Research Area Bambino Gesù Children's Hospital Rome Italy
9. Department of Paediatrics Institute of Clinical Medicine, University of Tartu Tartu Estonia
10. CHU Lille, Department of Neonatal Medicine Jeanne de Flandre Hospital Lille France
11. Department of Neonatology Radboud University Medical Center Nijmegen the Netherlands
12. Erasmus MC Rotterdam the Netherlands
13. Department of Population Health Sciences University of Leicester Leicester UK