1. Department of Molecular Neurobiology, Max-Planck-Institute of Experimental Medicine, Göttingen, Germany
2. Institute of Chemistry and Biochemistry, Free University Berlin, Berlin & Fritz Haber Institute of the Max-Planck-Society, Berlin, Germany
3. Department of Pharmaceutical Chemistry & Bioanalytics, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
4. Proteomics Group, Max-Planck-Institute of Experimental Medicine, Göttingen, Germany