1. Department of Rheumatology and Clinical Immunology, Charité‐Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
2. German Rheumatism Research Centre (DRFZ) a Leibniz Institute Berlin Germany
3. Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt Goethe University Frankfurt Frankfurt Germany
4. Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine Freie Universität Berlin Berlin Germany
5. Department of Orthopedic Surgery, Experimental Orthopedics, Centre for Medical Biotechnology (ZMB im Biopark 1) University of Regensburg Regensburg Germany
6. Departments of Orthopaedic Surgery and Bioengineering University of Pennsylvania Philadelphia Pennsylvania USA