1. Department of General Surgery and Emergency University of Palermo Palermo Italy
2. Department of Pathologic Anatomy and Histology IZSS Palermo Italy
3. Department of Health Promotion Sciences Maternal and Infantile Care Internal Medicine and Medical Specialties University of Palermo Palermo Italy
4. Department of General Surgery University of Cagliari Cagliari Italy
5. Institut für Klinisch‐Onkologische Forschung Krankenhaus Nordwest Frankfurt/Main Germany