1. Department of Hygiene, Epidemiology and Medical Statistics, Medical School, University of Athens, Athens, Greece
2. Department of Epidemiology Lazio Region, Rome, Italy
3. Air Pollution Epidemiology Section, Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, California, USA
4. Centre for Research in Environmental Epidemiology, Barcelona Biomedical Research Park, Barcelona, Spain
5. Environmental Health Department, French Institute for Public Health Surveillance, Saint-Maurice, France
6. National School of Public Health, Carlos III Health Institute, Madrid, Spain
7. Institute of Environmental Assessment and Water Research, Barcelona, Spain
8. Environmental Department, Municipality of Thessaloniki, Thessaloniki, Greece
9. Epidemiology Observatory, Department of Public Health, Local Health Authority, Bologna, Italy
10. Epidemiology Unit, Local Health Authority, Milan, Italy
11. Department of Epidemiology and Environmental Health, Regional Environmental Protection Agency, Piedmont, Italy
12. Regional Centre for Environment and Health, Regional Agency for Environmental Prevention of Emilia-Romagna, Modena, Italy