*Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, Aachen
∥Department of Orthopaedic and Trauma Surgery, University Hospital Mannheim, Mannheim, Germany
†Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi (SA), Italy
‡School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Stoke on Trent
§Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, London, England
Disclosure: The authors declare no conflict of interest.
Reprints: Nicola Maffulli, MD, MS, PhD, FRCP, FRCS(Orth), Queen Mary University of London, Mile End Hospital, 275 Bancroft Road, London E1 4DG, England.