1. Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN;
2. Department of Orthopaedic Surgery, Regions Hospital, St. Paul, MN;
3. HealthPartners Orthopaedics & Sports Medicine, Bloomington, MN;
4. Stryker Trauma GmbH, Kiel, Germany; and
5. Stryker Leibinger GmbH & Co. KG, Freiburg, Germany.