1. Department of Surgery, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin.
2. Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin.
3. Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan.
4. Comparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin.
5. Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, Wisconsin.
6. AO Foundation Collaborative Research Center, Davos, Switzerland.