1. REPAIR-Lab, Institute of Pathology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany.
2. European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Mainz, Germany.
3. Department of Orthopedic Surgery, Huaxi Hospital, Sichuan University, Chengdu, Sichuan, P.R. China.
4. Department of Orthopaedics, Johannes Gutenberg University, Mainz, Germany.