1. Division of Oncology, S. Orsola-Malpighi Hospital, Bologna, Italy
2. Section of Pathological Anatomy, United Hospital, School of Medicine, Polytechnic University of the Marche Region, Ancona, Italy
3. Department of Pathology & Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
4. Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
5. Department of Pathology & Surgery, Faculty of Medicine, Cordoba University, Cordoba, Spain