1. Gorlaeus Laboratories, Leiden Institute of Chemistry and Netherlands Proteomics Centre, Einsteinweg 55, 2333 CC Leiden, The Netherlands
2. Department of Pharmacology and Toxicology, and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, 1 Medical Center Drive HB7936, Lebanon, New Hampshire 03756, United States
3. Center for Integrated Protein Science at the Department Chemie, Lehrstuhl für Biochemie, Technische Unversität München, 85748 Garching, Germany
4. Department of Hematology and Oncology, Kantonsspital St. Gallen, 9007 St. Gallen, Switzerland