1. Department of Human Genetics, Saarland University, Homburg, Germany
2. Chair for Clinical Bioinformatics, Saarland University, Saarbrücken, Germany
3. Helmholtz Institute for Pharmaceutical Research Saar, Saarbrücken, Germany
4. Department of Research, Cancer Registry of Norway, Oslo, Norway
5. Centre for Bioinformatics, Department of Pharmacy, University of Oslo, Oslo, Norway
6. Department of Epidemiology and Biostatistics, Imperial College, London, United Kingdom
7. Internal Medicine, Saarland University, Homburg, Germany