1. Regenerative Medicine Laboratory, BioCruces Health Research Institute, Cruces University Hospital, Barakaldo, Spain
2. Interventional Imaging. Department of Radiology, Cruces University Hospital, Barakaldo, Spain
3. Department of Musculoskeletal Disorders, University of Salerno School of Medicine and Dentristry, Salerno, Italy
4. Barts and the London School of Medicine and Dentistry Centre for Sports and Exercise Medicine, Queen Mary University of London, London, England