1. University Center of Orthopaedics and Traumatology and Center for Translational Bone, Joint and Soft Tissue Research; University Hospital Carl Gustav Carus Dresden, Technical University Dresden; Dresden Germany
2. Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation; University Hospital Grosshadern, Ludwig-Maximilians-University Munich; Munich Germany
3. Department of Orthopaedics and Sportsorthopaedics; Klinikum rechts der Isar, Technical University of Munich; Munich Germany
4. Sirion Biotech GmbH; Martinsried Germany
5. DFG-Center for Regenerative Therapies Dresden; Dresden Germany