Groen, Y., Fuermaier, A. B. M., Den Heijer, A. E., Tucha, O., & Althaus, M. (2015). "The Empathy and Systemizing Quotient: The Psychometric Properties of the Dutch Version and a Review of the Cross-Cultural Stability." Journal of Autism and Developmental Disorders, 45(9), 2848–2864. http://doi.org/10.1007/s10803-015-2448-z