1. Center for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
2. Pompeu Fabra University, Barcelona, Spain
3. Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
4. Department of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Centre–Sophia Children’s Hospital, Rotterdam, the Netherlands
5. The Generation R Study, Erasmus University Medical Centre, Rotterdam, the Netherlands
6. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
7. Department of Epidemiology Lazio Regional Health Service, Rome Italy
8. Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Inserm (National Institute of Health and Medical Research) (U823), Grenoble, France
9. University Grenoble-Alpes, Institut Albert Bonniot, Grenoble, France
10. Psychobiology area, Department of Basic Psychological Processes and Their Development, Faculty of Psychology, University of The Basque Country (UPV/EHU), Donostia-San Sebastian, Spain
11. Health Research Institute BIODONOSTIA, Donostia-San Sebastian, Spain
12. Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
13. Centre for Environmental Policy, Imperial College London, London, UK
14. Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, University of Valencia–University Jaume I Joint Research Unit of Epidemiology and Environmental Health, Valencia, Spain
15. Department of Genes and Environment, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
16. Sub-Directorate of Public Health of Gipukzoa, Department of Health, Government of Basque Country, San Sebastian, Spain
17. Department of Pediatrics, Erasmus University Medical Centre–Sophia Children’s Hospital, Rotterdam, the Netherlands
18. Department of Epidemiology, Erasmus University Medical Centre, Rotterdam, the Netherlands
19. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
20. Department of Medicine, University Jaume I, Castelló de la Plana, Spain
21. Department of Psychiatry, Erasmus University Medical Centre, Rotterdam, the Netherlands
22. Department of Preventive Medicine, and
23. Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
24. Children’s Hospital Los Angeles, Los Angeles, California, USA
25. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, the Netherlands
26. Hospital del Mar Research Institute, Barcelona, Spain