1. Archeology, Environmental Changes and Geochemistry, Vrije Universiteit Brussel, Brussels, Belgium
2. Ghent University Hospital, Study Centre for Carcinogenesis and Primary Prevention of Cancer, Ghent, Belgium
3. VITO Health, Flemish Institute for Technological Research (VITO), Mol, Belgium
4. Provincial Institute of Hygiene, Antwerp, Belgium
5. Department Public Health and Primary Care, Centre for Environment and Health, Catholic University Leuven, Leuven, Belgium
6. IDEWE, External Service for Prevention and Protection at Work, Heverlee, Belgium
7. Department of Biomedical Sciences, University of Antwerp, Wilrijk, Belgium