1. Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
2. The Foot and Ankle Injury Research (FAIR) Group, University of Pittsburgh, Pittsburgh, PA, USA
3. Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, China
4. Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China