Sedliak, Milan, Ján Cvečka, Veronika Tirpáková, Stefan Löfler, Nejc Šarabon, Helmut Kern, and Dušan Hamar. “Reliability of Novel Postural Sway Task Test”. European Journal of Translational Myology 23, no. 3 (July 25, 2013): 81-84. Accessed June 24, 2019. https://www.pagepressjournals.org/index.php/bam/article/view/bam.2013.3.81.