1. Director, Division of Foot and Ankle Surgery, Milwaukee Regional Medical Center, and Associate Professor, Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
2. Senior Resident, Department of Orthopaedic Surgery, Hospital for Joint Diseases Orthopaedic Institute, New York, New York.
3. Resident, Department of Orthopaedic Surgery, Hospital for Joint Diseases Orthopaedic Institute, New York, New York.
4. Consultant, Department of Orthopaedic Surgery, Hospital for Joint Diseases Orthopaedic Institute, and Lecturer, Orthopaedic Surgery, Mount Sinai School of Medicine, New York, New York.
5. Associate Director, Division of Bioengineering, Hospital for Joint Diseases Orthopaedic Institute, New York, New York.