1. Department of Experimental Oncology, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
2. Current address: Proteome Sciences Plc, Hamilton House, Mabledon Place, London, United Kingdom
3. Department of Clinical Biochemistry and Pharmacology, Faculty of Health Sciences and the National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, POB 653, Beer-Sheva 84105, Israel
4. The FIRC Institute of Molecular Oncology (IFOM), Via Adamello 16, 20139 Milan, Italy
5. Istituto di Genetica Molecolare, Consiglio Nazionale delle Ricerche (CNR), Via Abbiategrasso 207, 27100 Pavia, Italy
6. Lehrstuhl für Biochemie III, Universität Regensburg, Universitätsstraße 31, 93053 Regensburg, Germany
7. Centre for Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy