1. Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery University of Salerno 84084 Baronissi Italy
2. Clinica Ortopedica, Ospedale San Giovanni di Dio e Ruggi d’Aragona 84131 Salerno Italy
3. Centre for Sports and Exercise Medicine, Barts and the London School of Medicine and Dentistry Queen Mary University of London, Mile End Hospital 275 Bancroft Road E1 4DG London UK
4. School of Pharmacy and Bioengineering, Faculty of Medicine Keele University Thornburrow Drive ST4 7QB Stoke on Trent UK
5. Department of Orthopaedic, Trauma, and Reconstructive Surgery RWTH University Hospital 52074 Aachen Germany
6. Department of Orthopaedics, Institute of Clinical Sciences Sahlgrenska Academy, University of Gothenburg Göteborgsvägen 31, Mölndal 431 80 Gothenburg Sweden