1. Department of Orthopaedic and Trauma Surgery, Campus Biomedico University, Rome, Italy
2. Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Alsager, United Kingdom
3. Department of Trauma and Orthopaedic Surgery, University of Cagliari, Cagliari, Italy
4. Center of Muscle and Bone Research, Charité-University Medicine, Free and Humboldt University, Berlin, Germany
5. Department of Athletics, Eugeniusz Piasecki University School of Physical Education, Poznań, Poland
6. Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, London, England