1. Oncology Department, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne University Lausanne, Switzerland
2. Experimental Pathology, Institute of Pathology, Lausanne University Lausanne, Switzerland
3. Second Propaedeutic Department of Medicine, Attikon University Hospital Athens, Greece
4. Department of Pathology, Azienda Ospedale-Università Padova Padua, Italy
5. Department of Medicine, University of Padua School of Medicine Padua, Italy
6. Sarcoma Center, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne University Lausanne, Switzerland