1. Sports Medicine Center, Funabashi Orthopaedic Hospital, Funabashi, Japan.
2. Cartilage Repair Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA.
3. Department of Traumatology, Semmelweis University, Budapest, Hungary.
4. Imaging Institute, Cleveland Clinic, Cleveland, Ohio, USA.
5. Cartilage Repair Center, Paley Orthopedic & Spine Institute, St Mary’s Medical Center, West Palm Beach, Florida, USA.