1. Department of Orthopedic, Traumatologic, Rehabilitative and Plastic-Reconstructive Science, Seconda Università di Napoli, Naples, Italy.
2. Department of Experimental Medicine, Section of Histology and Embryology, Tissue Factory and Banking Laboratory, Seconda Università di Napoli, Naples, Italy.
3. Department of Experimental Oncology, Istituto Nazionale Tumori, Naples, Italy.