User preference and patient benefits of a novel energy storing and return foot: A randomized, cross-over clinical trial - Maciejasz, Pawel; Budny, Tymoteusz; Sauer, Michael; Umari, Marina; Korber, Jürgen; Ernst, Jennifer; Altenburg, Bjoern; Hahn, Andreas; Braatz, Frank (Prosthetics and orthotics international, 2024)