Sedliak, M., J. Cvečka, V. Tirpáková, S. Löfler, N. Šarabon, H. Kern, and D. Hamar. “Reliability of Novel Postural Sway Task Test”. European Journal of Translational Myology, vol. 23, no. 3, July 2013, pp. 81-84, doi:10.4081/ejtm.2013.1776.