1. ISGlobal, Barcelona, Spain
2. Universitat Pompeu Fabra (UPF), Barcelona, Spain
3. CIBER Epidemiología y Salud Pública (CIBERESP), Spain
4. Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Crete, Greece
5. Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, INSERM, CNRS, University Grenoble Alpes, Institute for Advanced Biosciences (IAB), U1209 Joint Research Center, Grenoble, France
6. Department of Environmental Sciences, Vytautas Magnus University, Kaunas, Lithuania
7. Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia
8. Norwegian Institute of Public Health, Oslo, Norway
9. Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
10. MRC Centre for Environment and Health, School of Public Health, Imperial College London, London, UK
11. Division of Immunology and Immunotherapy, CIMA, Universidad de Navarra, and Instituto de Investigación Sanitaria de Navarra (IdISNA), Pamplona, Spain
12. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, USA