1. Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
2. Department for Foot and Ankle Surgery Nuremberg and Rummelsberg, Schwarzenbruck, Germany
3. Department of Orthopaedics, University of Alabama at Birmingham, Birmingham, AL, USA
4. Foot and Ankle Surgery Department, Clinique de l’Union, Saint-Jean, Toulouse, France
5. Department of Orthopaedic Surgery, Ghent University Hospital, Gent, Belgium
6. Department of Orthopaedic and Rehabilitation, University of Iowa, Iowa City, IA, USA
7. Department of Radiology and Imaging Sciences, Musculoskeletal Imaging, University of Utah, Salt Lake City, UT, USA