1. Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, Aachen, Germany
2. Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi (SA), Italy
3. School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Stoke on Trent, England
4. Centre for Sports and Exercise Medicine, Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London, England