1. Institute of Clinical Chemistry and Laboratory Diagnostics, Heinrich-Heine-University, Med. Faculty, Düsseldorf, Germany
2. Institute of Human Genetics and Anthropology, Heinrich-Heine-University, Med. Faculty, Düsseldorf, Germany
3. Leibniz Research Institute for Environmental Medicine (IUF), Düsseldorf, Germany
4. Molecular Toxicology Group, Dept. of Biology, University of Konstanz, Konstanz, Germany
5. Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
6. German Cancer Research Centre (DKFZ), Heidelberg, Germany
7. German Cancer Consortium (DKTK), Freiburg, Germany