1. Division of Oncology, S.Orsola-Malpighi Hospital, Via Albertoni n.15, Bologna, 40138, Italy
2. Division of Oncology, S.Orsola-Malpighi Hospital, Bologna, Italy
3. Department of Medical Oncology, Azienda Ospedaliera Universitaria Integrata (AOUI), Verona, Italy
4. Pathology department, S.Orsola-Malpighi Hospital, Bologna, Italy
5. Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, Ancona, Italy