1. Institute of Human Genetics, Medical School, Saarland University, 66421 Homburg/Saar, Germany
2. Institute for Clinical and Experimental Surgery, Medical School, Saarland University, 66421 Homburg/Saar, Germany
3. Institute of Pathology, Medical Center, Saarland University, 66421 Homburg/Saar, Germany
4. Clinical Bioinformatics, Saarland University, 66123 Saarbruecken, Germany