1. Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH) Heidelberg University Heidelberg Germany
2. Bioanalytical Mass Spectrometry Group Max Planck Institute for Biophysical Chemistry Göttingen Germany
3. German Cancer Research Center (DKFZ) Division of Signalling and Functional GenomicsHeidelberg Germany
4. BioQuant & Department for Cell and Molecular Biology Medical Faculty Mannheim Heidelberg University Heidelberg Germany
5. Center of Medical Research, Bioinformatic and Statistic Medical Faculty Mannheim University of Heidelberg Mannheim Germany
6. Department of Clinical Chemistry University Medical Center Göttingen Göttingen Germany