1. Institute of Legal Medicine, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Via del Vespro 129, 90100 Palermo, Italy
2. General Surgery Department, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Via del Vespro 129, 90100 Palermo, Italy
3. Pathological Anatomy Department, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Via del Vespro 129, 90100 Palermo, Italy