1. Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Fisciano, Italy
2. Clinica Ortopedica, Ospedale San Giovanni di Dio e Ruggi D’Aragona, Italy
3. Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London, UK
4. Keele University, Faculty of Medicine, School of Pharmacology and Bioengineering, Guy Hilton Research Centre, Hartshill, Stoke-on-Trent, UK