McCaskey, U., von Aster, M., Maurer, U., Martin, E., Tuura, R. O., & Kucian, K. Longitudinal Brain Development of Numerical Skills in Typically Developing Children and Children with Developmental Dyscalculia. Frontiers in Human Neuroscience, 11, 629. https://doi.org/10.3389/fnhum.2017.00629 (Original work published 2017)