Recovery of balance and walking in people with ataxia after acute cerebral stroke: study protocol for a prospective, monocentric, single-blinded, randomized controlled trial oleh Patricia Meier, Patricia Meier, Lukas Mayer-Suess, Stefan Kiechl, Stefan Kiechl, Ulrike Pachmann, Raphaela Greimann, Markus Kofler, Christian Brenneis, Christian Brenneis, Astrid Grams, Ruth Steiger, Barbara Seebacher, Barbara Seebacher, Barbara Seebacher