1. Tumor Angiogenesis Unit, Department of Oncology; IRCCS-Istituto di Ricerche Farmacologiche Mario Negri; Bergamo Italy
2. Laboratory of Cancer Pharmacology, Department of Oncology; IRCCS-Istituto di Ricerche Farmacologiche Mario Negri; Milan Italy
3. Department of Pathology; IRCCS-Istituto Nazionale Tumori; Milan Italy
4. DIVET, Faculty of Veterinary Medicine; University of Milan; Milan Italy
5. Adult Sarcoma Medical Unit; IRCCS-Istituto Nazionale Tumori; Milan Italy