1. University of Utah, Salt Lake City, UT, USA
2. University of Rochester, Rochester, NY, USA
3. Orthopedic Associates of Dallas, Dallas, TX, USA
4. Hospital for Special Surgery, New York, NY, USA
5. Campbell Clinic, Cordova, TN, USA
6. University of Arizona, Tucson, AZ, USA
7. University of Iowa, Iowa City, IA, USA
8. University of California, Los Angeles, Los Angeles, CA, USA
9. Stanford University, Stanford, CA, USA
10. National Orthopaedic Foot & Ankle Outcomes Research Network, American Orthopaedic Foot & Ankle Society