1. Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, Ancona, Italy
2. Department of Pathology and Surgery, University of Cordoba, Cordoba, Spain
3. Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
4. Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, School of Medicine, Ancona, Italy