Kummeling, J. .; Maria van de Wiel, E. A. .; Veeken, L. D. .; Maria Egger, J. I. .; Kleefstra, T. .; Vermeulen-Kalk, K. . Defining Developmental Regression in Rare Neurodevelopmental Disorders of Genetic Etiology: A Scoping Review. J. Intellect. Disabl. Diagn. Treat. 2024, 12, 103-123.