1. Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, St Mary’s Campus, Norfolk Place, W2 1PG, London, UK
2. Directorate of Public Health and Primary Care, Imperial College Healthcare NHS Trust, London, UK
3. Data to Knowledge (D2K) Research Group, University of Bristol, Oakfield Grove, Bristol BS8 2BN, UK
4. Maelstrom Research Program, Public Population Project in Genomics and Society (PG), 740 Dr Penfield Avenue, Suite 5104, H3A 0G1, Montreal, Canada
5. Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Socinstrasse 57, 4051 Basel, Switzerland
6. University of Basel, Petersplatz 1, 4003 Basel, Switzerland
7. Child Health and Human Development Program, Research Institute of the McGill University Health Centre, McGill University, 2155 Guy St, H3H 2L9 Montreal, Canada
8. Department of Public Health and Nursing, Norwegian University of Science and Technology, Forskningsvegen 2, 7600 Levanger, Trondheim, Norway
9. Department of Epidemiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
10. Barcelona Institute for Global Health (ISGlobal), Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain
11. Universitat Pompeu Fabra (UPF), Doctor Aiguader 88, 08003 Barcelona, Spain
12. CIBER Epidemiología y Salud Pública (CIBERESP), Melchor Fernández Almagro, 3–5, 28029 Madrid, Spain