1. MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, Imperial College London, St Mary's Campus, London W2 1PG, United Kingdom
2. Laboratory of Biostatistics, Department of Biomedical Sciences, University of Sassari, Sassari 07100, Italy
3. Department of Epidemiology, Local Health Unit TO 3, Turin 10095, Italy
4. School of Educational Sciences and Psychology, University of Eastern Finland, Joensuu FI-80101, Finland
5. Division of Insurance Medicine, Karolinska Institutet, Stockholm 17177, Sweden
6. Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu 90014, Finland
7. Grantham Institute for Climate Change and School of Public Health, Imperial College London, London SW7 2AZ, United Kingdom
8. IIGM – Italian Institute for Genomic Medicine (IIGM), IRCCS Candiolo, Torino 10060, Italy