A novel mutation in ATRX associated with intellectual disability, syndromic features, and osteosarcoma. Issue 10 (30th March 2017) - Smolle, Maria A.; Heitzer, Ellen; Geigl, Jochen B.; Al Kaissi, Ali; Liegl‐Atzwanger, Bernadette; Seidel, Markus G.; Holzer, Lukas A.; Leithner, Andreas