1. Department of Molecular Biology University Medical Center Göttingen Göttingen Germany
2. Bioanalytical Mass Spectrometry Group Max‐Planck‐Institute for Biophysical Chemistry Göttingen Germany
3. Department of Clinical Chemistry University Medical Center Göttingen Göttingen Germany
4. Institute for Organic and Biomolecular Chemistry Georg‐August‐University Göttingen Germany
5. Göttingen Center for Molecular Biosciences Georg‐August‐University Göttingen Germany