1. Molecular Epidemiology/Cancer Registry, University of Zürich, Zürich, Switzerland
2. Institute of Social and Preventive Medicine, University of Basel, Basel, Switzerland
3. Laboratoire de Physiologie Clinique et de l’Excercie, Université Jean Monnet, Saint-Etienne, France
4. Division of Medical Molecular Genetics and Gene Diagnostics, Institute of Medical Genetics, University of Zürich, Zürich, Switzerland
5. Division of Primary Care Medicine, University Hospitals, Geneva, Switzerland
6. Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA