1. Laboratory of Cell Genetics, Faculty of Science and Bio-engineering, Vrije Universiteit Brussel, Brussels, Belgium
2. Department of Histology, School of Medicine, University of Crete, Heraklion, Greece
3. Laboratory of Anthropogenetics, Faculty of Science and Bio-engineering, Vrije Universiteit Brussel, Brussels, Belgium
4. Department of Health Risk Analysis and Toxicology, University of Maastricht, Maastricht, the Netherlands
5. Department of Social Medicine, Medical School, University of Crete, Heraklion, Greece
6. Environmental Epidemiology and Biostatistics, National Cancer Research Institute, Genoa, Italy
7. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
8. Municipal Institute of Medical Research, Barcelona, Spain
9. CIBER Epidemiologia y Salud Pública (CIBERESP), Spain
10. National School of Public Health, Athens, Greece