Automated Assessment of Balance Rehabilitation Exercises With a Data-Driven Scoring Model: Algorithm Development and Validation Study. - Tsakanikas, Vassilios; Gatsios, Dimitris; Pardalis, Athanasios; Tsiouris, Kostas M.; Georga, Eleni; Bamiou, Doris-Eva; Pavlou, Marousa; Nikitas, Christos; Kikidis, Dimitrios; Walz, Isabelle; Maurer, Christoph; Fotiadis, Dimitrios (JMIR Rehabilitation & Assistive Technologies, 2022)