| Affiliation: | 1. Orthopaedic Foot and Ankle Unit, Orthopaedic and Trauma Department, Hospital Universitario Quirónsalud Madrid, Calle Diego de Velazquez 1, UEM Madrid, Madrid 28223, Spain;2. Orthopaedic and Trauma Department, Complejo Hospitalario La Mancha Centro, Alcázar de San Juan, Avenida Constitucion 3, Ciudad Real 13600, Spain;1. Boulder Centre for Orthopedics, 4740 Pearl Parkway, Boulder, CO 80301, USA;2. Department of Orthopedic Surgery, University of Colorado School of Medicine, 12631 E. 17th Avenue, Aurora, CO 80045, USA |
