1. Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
2. Division of Protein and Nucleic
Acid Chemistry, MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
3. Biomolecular Mass Spectrometry
and Proteomics, Bijvoet Centre for Biomolecular Research and Utrecht
Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
4. Netherlands Proteomics Centre, Utrecht, The Netherlands