1. Julius Wolff InstitutCharité – Universitätsmedizin Berlin Berlin Germany
2. Berlin‐Brandenburg Center for Regenerative TherapiesCharité – Universitätsmedizin Berlin Berlin Germany
3. Center for Musculoskeletal SurgeryCharité ‐ Universitätsmedizin Berlin Berlin Germany
4. Department of Orthopaedic and Trauma SurgeryUniversity Hospital Carl Gustav Carus, TU Dresden Germany