1. Department of Orthopaedics, Sarah Bush Lincoln Health Center, Mattoon, IL 61938, USA
2. Department of Orthopaedics, King’s College Hospital London, Dubai 14143, United Arab Emirates
3. Department of Orthopaedics, Minia University, Minia 61519, Egypt
4. School of Podiatric Medicine, University of Texas Rio Grande Valley, Harlingen, TX 78550, USA