1. Institute
of Medical Radiation
and Cell Research (MSZ), University of Würzburg, D-97078 Würzburg, Germany
2. Rudolf Virchow Center, DFG Research
Center for Experimental Biomedicine (Protein Mass Spectrometry and
Functional Proteomics), University of Würzburg, D-97078 Würzburg, Germany
3. Molecular Oncology, Philipps-University Marburg, D-35032 Marburg, Germany
4. Leibniz-Institut für Analytische Wissenschaften, ISAS - e.V.,
D-44139 Dortmund, Germany