Sarabon, N., S. Loefler, H. Fruhmann, S. Burggraf, and H. Kern. “Reduction and Technical Simplification of Testing Protocol for Walking Based on Repeatability Analyses: An Interreg IVa Pilot Study”. European Journal of Translational Myology, Vol. 20, no. 4, Dec. 2010, pp. 181-6, doi:10.4081/ejtm.2010.1815.