Microdeletion of 9q34.3 causes a new neurodevelopmental disorder: description of a first Brazilian patient with Kleefstra syndrome - Grangeiro, Carlos Henrique Paiva; Torres, M. P. N.; Huber, Jair; Rosenberg, Carla; Martelli, Lúcia Regina (Congresso Brasileiro de Genética Médica, 2017)