1. Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol BS8 1TH, UK
2. ISGlobal, Institute for Global Health, 08036 Barcelona, Spain
3. Universitat Pompeu Fabra (UPF), 08018 Barcelona, Spain
4. Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
5. Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol BS8 2PS, UK
6. Epidemiology and Environmental Health Joint Research Unit, FISABIO- Universitat Jaume I - Universitat de València, 46020 Valencia, Spain
7. Department of Preventative Medicine, Food Sciences, Toxicology and Forensic Medicine Department, Universitat de València, 46100 Valencia, Spain
8. Department of Environmental Sciences, Faculty of Natural Sciences, Vytautas Magnus University, 53361 Kaunas, Lithuania
9. Department of Air Quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, P.O. Box 222 Skoyen, NO-0213 Oslo, Norway
10. Department of Food Safety, Division of Climate and Environmental Health, Norwegian Institute of Public Health, P.O. Box 222 Skoyen, NO-0213 Oslo, Norway
11. Bradford Teaching Hospitals NHS Foundation Trust, Duckworth Lane, Bradford BD9 6RJ, UK
12. Department of Biomedical Sciences, Institute of Neuroscience, University of Barcelona, 08035 Barcelona, Spain
13. Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 1TH, UK