1. Health Effects Institute, Boston, Massachusetts
2. Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
3. Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
4. Environmental Research Group, School of Public Health, Imperial College, London, United Kingdom
5. Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
6. Department of Occupational and Environmental Medicine, Faculty of Medicine, Lund University, Lund, Sweden
7. ISGlobal, Barcelona, Spain
8. Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany