1. Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
2. These authors contributed equally to this work.
3. Molecular Pathology-Anatomic Pathology Laboratory, Oncological Institute “F.Addarii”—S. Orsola Hospital, Bologna, Italy
4. Istituto Nazionale Tumori, Milan, Italy
5. Anatomic Pathology, Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy