1. Center for Orthopaedic and Trauma Surgery, Ingolstadt Hospital, Ingolstadt, Germany.
2. Department of Trauma, Hand and Reconstructive Surgery, Universitätsklinikum Jena, Jena, Germany.
3. Department of Biochemistry, Rush Medical College, Chicago, Illinois.
4. Institute of Physiotherapy, Universitätsklinikum Jena, Jena, Germany.
5. G.E.R.N. Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center, Albert-Ludwigs-University of Freiburg, Freiburg, Germany.
6. Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg, Germany.
7. Massachusetts Institute of Technology, Center for Biomedical Engineering, Cambridge, Massachusetts.