Kraus, Moritz; Saller, Maximilian Michael; Baumbach, Sebastian Felix; Neuerburg, Carl; Stumpf, Ulla Cordula; Böcker, Wolfgang; Keppler, Alexander Martin (2022): Prediction of Physical Frailty in Orthogeriatric Patients Using Sensor Insole–Based Gait Analysis and Machine Learning Algorithms: Cross-sectional Study. JMIR Medical Informatics, 10 (1): e32724. ISSN 2291-9694