1. Institute for Risk Assessment Sciences, Division Environmental Epidemiology, Utrecht University, Utrecht, the Netherlands
2. Department of Epidemiology, Maastricht University, Maastricht, the Netherlands
3. TNO Quality of Life, Department of Prevention and Health, Leiden, the Netherlands
4. Centre for Environmental Health Research, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
5. School of Public Health, University of California, Berkeley, California, USA
6. Edward Hughes Consulting, Ottawa, Ontario, Canada
7. Public and Environmental Research Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom
8. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands