1. Orthopedics and Sports Medicine Mayo Clinic Rochester Minnesota USA
2. Department of Orthopedic Surgery Antwerp University Antwerp Belgium
3. ORTHOCA Antwerp Belgium
4. Department of Laboratory Medicine and Pathology IMPACT; Mayo Clinic College of Medicine and Science Rochester Minnesota USA
5. Orthopaedic Surgery University Medical Center Utrecht Utrecht The Netherlands
6. Reconstructive Medicine University of Twente Enschede The Netherlands