1. Bioanalytical Mass Spectrometry Group; Max Planck Institute for Biophysical Chemistry; Göttingen Germany
2. Proteomics Group; Max Planck Institute of Experimental Medicine; Göttingen Germany
3. Bioanalytics, Department of Clinical Chemistry; University Medical Center Göttingen; Göttingen Germany
4. Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain; Göttingen Germany