^aDepartment of Pharmaceutical Sciences, University of Padua, I-35121 Padua, Italy

^bDepartment of Human Anatomy and Histology, University of Bari Medical School, Piazza Giulio Cesare 11, I-70124 Bari, Italy

^cDepartment of Human Anatomy and Physiology, University of Padua Medical School, I-35121 Padua, Italy

^dDepartment of Histology and Embryology, Karol Marcinkowski University of Medical Sciences, PL-60781 Poznan, Poland

^eDepartment of Biomedical Sciences and Human Oncology, University of Bari Medical School, I-70124 Bari, Italy