1. AG Neuroproteomics and Computational Biology and Data Mining Group, Max Delbrück Centrum for Molecular Medicine, Robert-Rössle-Strasse 10, D-13125 Berlin-Buch, Germany.
2. Otto-Warburg Laboratory, Max Planck Institute for Molecular Genetics, Ihnestrasse 63-73, D-14195 Berlin, Germany.
3. AG Systems Biology and Bioinformatics, Department of Computer Science, University of Rostock, Ulmenstrasse 69, D-18051 Rostock, Germany.