1. University of Salerno Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, , Baronissi 84084 , Italy
2. Ospedale San Giovanni di Dio e Ruggi D’Aragona Clinica Ortopedica, Salerno 84131 , Italy
3. Ospedale San Giovanni di Dio e Ruggi D’Aragona Salerno 84131 Clinica Ortopedica, , Italy
4. Casa di Cura di Bernardini Department of Orthopaedic and Trauma Surgery, , Taranto 74121 , Italy
5. University of Salerno Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, , Baronissi 84084, Italy
6. Queen Mary University of London , Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London E1 4DG, England
7. Keele University , School of Medicine, Institute of Science and Technology in Medicine, Guy Hilton Research Centre, Thornburrow Drive, Hartshill, Stoke-on-Trent, ST4 7QB, England