1. Departments of Orthopedics and Radiology Essentia Health Duluth Minnesota USA
2. Department of Orthopedics University of Minnesota Physicians Minneapolis Minnesota USA
3. Cabinet Imagerie Medicale Geneva Switzerland
4. Department of Orthopedics, Wrist and Hand Service Essentia Health Duluth Minnesota USA
5. Departments of Physical Medicine and Rehabilitation, Radiology, and Clinical Anatomy Mayo Clinic College of Medicine Rochester Minnesota USA