Cristian Aletto1,2, Rocco Aicale3,4, Nicola Maffulli5,6,7,8. 1. Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, 84084, Baronissi, Italy. cris.aletto28@gmail.com. 2. Clinica Ortopedica, Ospedale San Giovanni Di Dio E Ruggi D'Aragona, 84131, Salerno, Italy. cris.aletto28@gmail.com. 3. Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, 84084, Baronissi, Italy. aicale17@gmail.com. 4. Clinica Ortopedica, Ospedale San Giovanni Di Dio E Ruggi D'Aragona, 84131, Salerno, Italy. aicale17@gmail.com. 5. Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, 84084, Baronissi, Italy. n.maffulli@qmul.ac.uk. 6. Clinica Ortopedica, Ospedale San Giovanni Di Dio E Ruggi D'Aragona, 84131, Salerno, Italy. n.maffulli@qmul.ac.uk. 7. Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, London, E1 4DG, England. n.maffulli@qmul.ac.uk. 8. Faculty of Medicine, School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Thornburrow Drive, Hartshill, Stoke-on-Trent, ST4 7QB, England. n.maffulli@qmul.ac.uk.