1. Department of Orthopaedics, ASL Napoli 2 Nord, 80027 Naples, Italy
2. Department of Surgery, Orthopaedic and Trauma Unit, S. Croce e Carle Hospital, 12100 Cuneo, Italy
3. Department of Translational Biomedicine and Neuroscience, School of Medicine, University of Bari Aldo Moro, AOU Consorziale ‘Policlinico’, 70100 Bari, Italy
4. Department of Life, Health and Environmental Sciences, Orthopaedic Unit, University of L’Aquila, 67100 L’Aquila, Italy