1. GSF National Research Centre for Environment and Health, Institute of Epidemiology, Neuherberg, Germany
2. Ludwig-Maximilians University, Department of Statistics, Munich, Germany
3. Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
4. Department of Physical Sciences, University of Helsinki, Helsinki, Finland
5. Department of Hygiene and Epidemiology, University of Athens, Athens, Greece
6. Department of Occupational and Environmental Health, Stockholm County Council, Stockholm, Sweden
7. Local Health Authority, Department of Epidemiology, Rome, Italy
8. Municipal Institute of Medical Research (IMIM), Barcelona, Spain
9. Department of Internal Medicine II, Cardiology, University of Ulm Medical Center, Ulm, Germany
10. Environmental Epidemiology Unit, National Public Health Institute (KTL), Kuopio, Finland
11. School of Public Health and Clinical Nutrition, University of Kuopio, Kuopio, Finland