1. Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota.
2. Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota.
3. Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands.
4. Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
5. Department of Orthopaedic Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands.