1. Section of Orthopedics and Traumatology, University of Messina, Messina, Italy
2. Laboratory of Musculoskeletal Cell Biology, Istituto Ortopedico Rizzoli, IRCCS, Bologna, Italy
3. Anesthesia and Post-Operative Intensive Care, Rizzoli-Sicilia Department, Rizzoli Orthopedic Institute, Bagheria (Palermo), Italy
4. General Orthopedic Surgery, Rizzoli-Sicilia Department, Rizzoli Orthopedic Institute, Bagheria (Palermo), Italy