Royston, R;    Oliver, C;    Howlin, P;    Dosse, A;    Armitage, P;    Moss, J;    Waite, J;      (2019)    The Profiles and Correlates of Psychopathology in Adolescents and Adults with Williams, Fragile X and Prader-Willi Syndromes.                   Journal of Autism and Developmental Disorders        10.1007/s10803-019-04317-1 <https://doi.org/10.1007/s10803-019-04317-1>.    (In press).    Green open access