Uribe, Alejandro, et al. “Concordance Between Clinical Scales and Indexes Derived from Gait Analysis Studies of in Children With Cerebral Palsy”. Revista Colombiana De Ortopedia Y Traumatología, vol. 32, no. 3, Oct. 2018, pp. 191-6, doi:10.1016/j.rccot.2017.11.003.