1. Department of Molecular Medicine
2. “Sapienza” University of Rome
3. 00161 Rome
4. Italy
5. Biomolecular Mass Spectrometry and Proteomics
6. Bijoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences
7. Utrecht University
8. 3584 CH Utrecht
9. The Netherlands
10. Department of Chemistry
11. 00185 Rome